quote
In the same way as happens with among and amongst, the chief distinction between while and whilst as conjunctions and relative adverbs is in respect of their usage. While is far more common than whilst and is significantly more prevalent in US English than it is in British English.
...
With only 6.9% of the occurrences of whilst appearing in US English, this form seems to be rapidly falling out of favour across the Atlantic. Bryan Garner states categorically that whilst ‘reeks of pretension in the work of a modern American writer’ and this stance is echoed by other authorities. So if you’re a US speaker or writer, you’d only be likely to use whilst if you were consciously aiming for an old-fashioned effect (for instance, if you were writing historical fiction). In all other contexts, while is the word to choose and thus avoid that dreaded reeking.
...
end of quote
Originally posted by @vandervelde https://imgur.com/a/FFUHt
quote
In the same way as happens with among and amongst, the chief distinction between while and whilst as conjunctions and relative adverbs is in respect of their usage. While is far more common than whilst and is significantly more prevalent in US English than it is in British English.
...
With only 6.9% of the occurre ...[text shortened]... er contexts, while is the word to choose and thus avoid that dreaded reeking.
...
end of quote
Perhaps it has to do with where you live and what education you have? I don't know I just get by with Engerlish as it is. 😉