No way that I know of: it is the spell-checking module from Word that is used...
😞
Do note that if you are running Win 7 64 bit, that even if you have Word, there is at present a known problem:
http://www.archicadwiki.com/Bugs/SpellCheckerCannotInitialize
AC 28 USA and earlier • macOS Sequoia 15.2, MacBook Pro M2 Max 12CPU/30GPU cores, 32GB
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