And likely the difference between there, their and they’re, too. (To and two) I could go on, but...
hate tah(to)say it I blow it on those all the time...
My favorites...
idol, idle, idyll
peak, peek, pique
pare, pair, pear
flue, flu, flew
freeze, frieze, frees
horde, hoard, whored
sent, scent, cent
sees, seas, seize
One of those things that makes English so easy to learn.
I’d bet those 1917 kids knew all of those homophones.