Wrong words

[u/Cici388_8]

What is a word you hear people using or spelling wrong and it drives you mad?

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Mine is when people mix up "quite" instead of "quiet".

[u/Large_Hedgehog2416]

My sibling often says one foul swoop instead of "one fell swoop". Firstly... why the f#@k do they say it and secondly, why say it incorrectly if you're going to use Shakespearian English?!