diff --git a/Changes b/Changes
index acf6dcee5..c3958d189 100644
--- a/Changes
+++ b/Changes
@@ -52,7 +52,7 @@ Verilator 4.220 2022-03-12
 * Add VERILATOR_VERSION_INTEGER for determining API (#3343). [Larry Doolittle]
 * Improve various V3Combine algorithm details (#3328). [Yutetsu TAKATSUKASA]
 * Improve various V3Order algorithm details. [Geza Lore]
-* Fix macOS arm64 build (#3285) (#3291). [Guokai Chen]
+* Fix MacOS arm64 build (#3285) (#3291). [Guokai Chen]
 * Fix signed number operation (#3294) (#3308). [Raynard Qiao]
 * Fix FST traces to include vector range (#3296) (#3297). [Jamie Iles]
 * Fix skipping public enum values with four-state values (#3303).
@@ -117,7 +117,7 @@ Verilator 4.216 2021-12-05
 **Minor:**
 
 * Internal code cleanups and improvements. [Geza Lore]
-* Improve --thread verilation-time performance.
+* Improve --thread Verilation-time performance.
 * Support task name in $display %m (#3211). [Julie Schwartz]
 * Make 'bit', 'logic' and 'time' types unsigned by default. [Geza Lore]
 * Optimize $random concatenates/selects (#3114).
@@ -141,7 +141,7 @@ Verilator 4.214 2021-10-17
 
 **Major:**
 
-* Add profile-guided optmization of mtasks (#3150).
+* Add profile-guided optimization of mtasks (#3150).
 
 **Minor:**
 
@@ -207,7 +207,7 @@ Verilator 4.210 2021-07-07
 
 * Add --prof-c to pass profiling to compiler (#3059). [Alexander Grobman]
 * Optimize a lot more model variables into function locals (#3027). [Geza Lore]
-* Support middle-of-design nested topmodules (#3026). [Dan Petrisko]
+* Support middle-of-design nested top modules (#3026). [Dan Petrisko]
 * Remove deprecated --no-relative-cfuncs option (#3024). [Geza Lore]
 * Remove deprecated --inhibit-sim option (#3035). [Geza Lore]
 * Merge const static data globally into a new constant pool (#3013). [Geza Lore]
@@ -249,7 +249,7 @@ Verilator 4.204 2021-06-12
 * Fix merging of assignments in C++ code (#2970). [Ruper Swarbrick]
 * Fix unused variable warnings (#2991). [Pieter Kapsenberg]
 * Fix --protect-ids when using SV classes (#2994). [Geza Lore]
-* Fix constant function calls with uninit value (#2995). [yanx21]
+* Fix constant function calls with uninitialized value (#2995). [yanx21]
 * Fix Makefiles to support Windows EXEEXT usage (#3008). [Miodrag Milanovic]
 
 
@@ -287,7 +287,7 @@ Verilator 4.202 2021-04-24
 * Fix Cygwin example compile issues (#2856). [Mark Shaw]
 * Fix select of with index variable (#2880). [Alexander Grobman]
 * Fix cmake version number to be numeric (#2881). [Yuri Victorovich]
-* Fix MinGW not supportting 'localtime_r' (#2882). [HyungKi Jeong]
+* Fix MinGW not supporting 'localtime_r' (#2882). [HyungKi Jeong]
 * Fix cast from packed, typedef'ed interface signal (#2884). [Todd Strader]
 * Fix VPI package reported as vpiModule (#2885). [Todd Strader]
 * Fix dumping waveforms to multiple FST files (#2889). [David Metz]
@@ -434,7 +434,7 @@ Verilator 4.102 2020-10-15
 * Support # as a comment in -f files (#2497). [phantom-killua]
 * Support 'this' (#2585). [Rafal Kapuscik]
 * Support defines for FST tracing (#2592). [Markus Krause]
-* Support non-overapping implication inside properties (#1292). [Peter Monsson]
+* Support non-overlapping implication inside properties (#1292). [Peter Monsson]
 * Fix timescale with --hierarchical (#2554). [Yutetsu TAKATSUKASA]
 * Fix cmake build with --hierarchical (#2560). [Yutetsu TAKATSUKASA]
 * Fix -G dropping public indication (#2561). [Andrew Goessling]
@@ -460,7 +460,7 @@ Verilator 4.100 2020-09-07
 * Support (with limitations) class extern, class extends, virtual class.
 * Support $urandom, $urandom_range without stability.
 * Support assume property. [Peter Monsson]
-* Support non-overapping implication inside properties (#1292). [Peter Monsson]
+* Support non-overlapping implication inside properties (#1292). [Peter Monsson]
 * Fix false DECLFILENAME on black-boxed modules (#2430). [Philipp Wagner]
 * Fix naming of "id : begin" blocks.
 * Fix class constructor error on assignments to const.
diff --git a/docs/.gitignore b/docs/.gitignore
index 4e1217655..3a270f863 100644
--- a/docs/.gitignore
+++ b/docs/.gitignore
@@ -2,3 +2,4 @@
 *.html
 *.pdf
 _build
+guide/spelling.txt
diff --git a/docs/Makefile b/docs/Makefile
index 7e4a96d69..8a5d1af7d 100644
--- a/docs/Makefile
+++ b/docs/Makefile
@@ -35,6 +35,7 @@ default:
 # Intermediate rules
 
 vl-extract: ../bin/verilator ../Changes
+	ln -sf ../spelling.txt guide/spelling.txt
 	mkdir -p _build/gen
 	$(PYTHON3) bin/vl_sphinx_extract ../bin/verilator
 	sed 's/`/\&96;/g' < ../Changes > _build/gen/Changes
@@ -77,6 +78,7 @@ clean mostlyclean distclean maintainer-clean::
 	rm -f *.pg *.pgs *.toc *.tp *.tps *.vr *.vrs *.idx
 	rm -f *.ev *.evs *.ov *.ovs *.cv *.cvs *.ma *.mas
 	rm -f *.tex
+	rm -f guide/spelling.txt
 
 distclean maintainer-clean::
 	rm -f *.info* *.1 *.html *.pdf $(INFOS)
diff --git a/docs/guide/exe_verilator.rst b/docs/guide/exe_verilator.rst
index 53b66550b..00e101ed0 100644
--- a/docs/guide/exe_verilator.rst
+++ b/docs/guide/exe_verilator.rst
@@ -847,12 +847,12 @@ Summary:
 
 .. option:: --prof-exec
 
-   Enable collection of execution trace, that can be convered into a gantt
+   Enable collection of execution trace, that can be converted into a gantt
    chart with verilator_gantt See :ref:`Execution Profiling`.
 
 .. option:: --prof-pgo
 
-   Enable collection of profiling data for profile guided verilation. Currently
+   Enable collection of profiling data for profile guided Verilation. Currently
    this is only useful with :vlopt:`--threads`. See :ref:`Thread PGO`.
 
 .. option:: --prof-threads
diff --git a/docs/guide/extensions.rst b/docs/guide/extensions.rst
index 491ff18fc..bd5171c52 100644
--- a/docs/guide/extensions.rst
+++ b/docs/guide/extensions.rst
@@ -217,7 +217,7 @@ or "`ifdef`"'s may break other tools.
    :option:`public_flat` signals.
 
    To force a marked signal from C++, set the corresponding `__VforceVal`
-   variable to the desired value, and the `__VforceEn` signal to the bitmask
+   variable to the desired value, and the `__VforceEn` signal to the bit-mask
    indicating which bits of the signal to force. To force all bits of the
    target signal, set `__VforceEn` to all ones. To release the signal (or part
    thereof), set appropriate bits of the `__VforceEn` signal to zero.
diff --git a/docs/guide/languages.rst b/docs/guide/languages.rst
index c4c714351..074f91d31 100644
--- a/docs/guide/languages.rst
+++ b/docs/guide/languages.rst
@@ -343,7 +343,7 @@ Verilator supports the procedural `force` (and corresponding `release`)
 statement. The behavior of the `force` statement however does not entirely
 comply with the IEEE 1800 SystemVerilog standard. According to the standard,
 when a procedural statement of the form `force a = b;` is executed, the
-simulation should behave as if from that point onwards, a continuous
+simulation should behave as if from that point forwards, a continuous
 assignment `assign a = b;` have been added to override the drivers of `a`.
 More specifically: the value of `a` should be updated, whenever the value of
 `b` changes, all the way until a `release a;` statement is executed.
diff --git a/docs/guide/simulating.rst b/docs/guide/simulating.rst
index c6c5fba7b..01dd7f844 100644
--- a/docs/guide/simulating.rst
+++ b/docs/guide/simulating.rst
@@ -405,7 +405,7 @@ others as they prove beneficial.
 Thread Profile-Guided Optimization
 ----------------------------------
 
-Verilator supports profile-guided optimization (verilation) of multi-threaded
+Verilator supports profile-guided optimization (Verilation) of multi-threaded
 models (Thread PGO) to improve performance.
 
 When using multithreading, Verilator computes how long macro tasks take and
diff --git a/docs/guide/warnings.rst b/docs/guide/warnings.rst
index e122fec90..55206295c 100644
--- a/docs/guide/warnings.rst
+++ b/docs/guide/warnings.rst
@@ -1506,7 +1506,7 @@ List Of Warnings
    Error that a construct might be legal according to IEEE but is not
    currently supported by Verilator.
 
-   A typical workaround is to recode the construct into a simpler and more
+   A typical workaround is to rewrite the construct into a simpler and more
    common alternative language construct.
 
    Alternatively, check if the construct is supported by other tools, and
diff --git a/docs/spelling.txt b/docs/spelling.txt
index 82c6984da..c0c5e738d 100644
--- a/docs/spelling.txt
+++ b/docs/spelling.txt
@@ -2,9 +2,11 @@ ABCp
 Accellera
 Affe
 Aleksander
+Alexandre
 Ami
 Amir
 Anastasiadis
+Anikin
 Antonin
 Antwerpen
 Arasanipalai
@@ -70,6 +72,7 @@ Eda
 Eddleston
 Egbert
 Egil
+Ehab
 Eiler
 Eivind
 El
@@ -82,6 +85,7 @@ Fabrizio
 Fekete
 Ferrandi
 Flachs
+Flavien
 Foletto
 Forker
 Francillon
@@ -104,6 +108,7 @@ Goessling
 Gonnen
 Goorah
 Gossner
+Graybeal
 Grobman
 Gunter
 Guo
@@ -121,6 +126,7 @@ Hornung
 Hossell
 Hsu
 Hyperthreading
+Ibrahim
 Iles
 Inlines
 Inout
@@ -134,6 +140,7 @@ Jannis
 Jens
 Jeras
 Jiuyang
+Joannou
 Joly
 Jullien
 Junji
@@ -147,6 +154,7 @@ Kamendje
 Kandadi
 Kaplan
 Karge
+Karlsson
 Katz
 Katzman
 Keren
@@ -161,6 +169,7 @@ Kolecki
 Koonce
 Korteland
 Koszek
+Kouping
 Kravitz
 Krolnik
 Kruse
@@ -194,6 +203,7 @@ Mednick
 Michiels
 Microsystems
 Milanovic
+Millis
 MinW
 Mindspeed
 Miodrag
@@ -224,12 +234,14 @@ Petr
 Piechotka
 Piersall
 Plunkett
+Popolon
 Popov
 Prabhat
 Prabhu
 Prateek
 Pre
 Preprocess
+Pretet
 Priyadharshini
 Pullup
 Pulver
@@ -245,6 +257,7 @@ Rodionov
 Rolfe
 Roodselaar
 Runtime
+Ruper
 Ruud
 Rystsov
 STandarD
@@ -262,12 +275,15 @@ Shi
 Shinkarovsky
 Shirakawa
 Shuba
+Shunyao
 Slatter
 SoC
 Sobhan
 Sokorac
 Solaris
 Solomatnikov
+Solt
+Southwell
 Srini
 Stamness
 Stephane
@@ -286,6 +302,7 @@ SystemVerilog
 Takatsukasa
 Tambe
 Tariq
+Tejada
 Tengstrand
 Terpstra
 Thiede
@@ -293,8 +310,10 @@ Thierry
 Thyer
 Tichelaar
 Tomov
+Tood
 Topa
 Tota
+Trefor
 Tresidder
 Tri
 Tristate
@@ -304,11 +323,13 @@ Ubixum
 Uints
 Undefines
 Unsized
+Urbach
 Uselib
 Usha
 Usuario
 VERILATOR
 Vasu
+Vdeeptemp
 Vdly
 Vemumtab
 Vemuri
@@ -351,7 +372,9 @@ Zhang
 abirkmanis
 accessor
 accessors
+adrienlemasle
 agrobman
+ahouska
 al
 ala
 andit
@@ -372,8 +395,12 @@ backtrace
 backtraces
 basename
 bbox
+benchmarking
 biguint
 biops
+bitOpTree
+bitOpTree
+bitop
 bitstoreal
 blackbox
 bokke
@@ -389,6 +416,7 @@ casez
 casted
 cb
 ccache
+ccall
 cdc
 ceil
 celldefine
@@ -411,6 +439,8 @@ concat
 concats
 config
 const
+constexpr
+constpool
 coredump
 countbits
 countones
@@ -426,6 +456,7 @@ da
 dat
 datadir
 datafiles
+david
 ddd
 deassign
 debugi
@@ -434,6 +465,7 @@ defname
 defparam
 demangling
 der
+dereference
 desassign
 destructor
 detections
@@ -462,6 +494,7 @@ dumpvars
 dut
 dx
 elab
+elike
 elsif
 endcase
 endcelldefine
@@ -480,15 +513,18 @@ enums
 env
 envvar
 eof
+errae
 erroring
 et
 eval
+evals
 exe
 executables
 expr
 extern
 fanin
 fasttrace
+fauto
 fbranch
 fclose
 fdisplay
@@ -503,6 +539,7 @@ filt
 flto
 flushCall
 fopen
+forceable
 foreach
 fprintf
 fprofile
@@ -521,6 +558,7 @@ funcs
 fwrite
 gantt
 gcc
+gcda
 gdb
 genblk
 genvar
@@ -552,6 +590,7 @@ incdir
 includer
 inferfaces
 inhibitSim
+initarray
 initializer
 initializers
 inits
@@ -570,6 +609,7 @@ killua
 lang
 lcov
 ld
+leavinel
 len
 libext
 libgoogle
@@ -584,6 +624,7 @@ ln
 loc
 localparam
 localparams
+localtime
 logicals
 longint
 lsb
@@ -618,6 +659,7 @@ multithreaded
 multithreading
 mutexes
 mux
+myftptoyman
 mysignal
 namespace
 nand
@@ -646,11 +688,14 @@ param
 parameterized
 params
 parens
+pawel
 pc
 pdf
 perf
 perftools
+pgo
 picoChip
+pinIndex
 pinout
 plusargs
 pmos
@@ -676,6 +721,7 @@ prev
 printf
 printtimescale
 profcfunc
+profiler
 prototyptes
 ps
 pthread
@@ -703,12 +749,14 @@ regs
 reloop
 resetall
 respecified
+rodata
 rr
 rst
 runtime
 runtimes
 rw
 sVerilator
+sawatzke
 sc
 scalared
 sccanf
@@ -743,6 +791,7 @@ subcells
 subexpressions
 submodule
 submodules
+substring
 sv
 svBitVal
 svBitVecVal
@@ -777,6 +826,7 @@ trunc
 txt
 typ
 typedef
+typedef'ed
 typedefed
 typedefs
 typename
@@ -790,6 +840,7 @@ uniquified
 unistd
 unlink
 unlinked
+unnamedblk
 unopt
 unoptflat
 unoptimizable
@@ -845,5 +896,7 @@ xnor
 xout
 xuejiazidi
 yanx
+ypq
 yurivict
 zdave
+Øyvind