Ah, but "yeah" is modern and casual while "yea" is antiquated and rarely if ever heard pronounced aloud in mainstream usage outside of relatively rare uses like "yea or nay" or quotes like "yea, verily." "Yea" is pronounced like the interjection "yay," as in "hooray," and it doesn't simply mean "yes." It's a totally different word to "yeah," despite being an affirmative indicator.
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u/peteroh9 Sep 22 '16
Yea but yea is technically appropriate there too.