Whats the rule that makes "please" pronounced the same as "pleas"?
11.06.2025 00:32

You'll usually find your answer there.
Whence the <ea> I cannot say but some other words that were spelled <ai> in French are spelled <ea> in English: aise → ease, graisse → grease, fait → feat.
There's no rule.
UNC Pours It On Arizona in Opener, Piles Up Super Regional Record - 247Sports
Please is an anglicization of the French word plaisir.
While you may reasonably ask why words are spelled the way they're spelled, it makes no sense to ask why they're pronounced the way they're pronounced.
What's (not “whats”) the rule?
Back in the day (circa 1300), it was written <plesen>.
Pleas is spelled <pleas> because it's the plural of pleas.
If you're curious about why a word is spelled the way it's spelled, your first recourse should be etymonline dot com.
Words are pronounced the way that they're pronounced.