Compare yeah with other words:
seah vs. yeah
yead vs. yeah
yeah vs. yech
yeah vs. yean
yah vs. yeah
yeah vs. year
yap vs. yeah
arr vs. yeah
yeah vs. yer
nope vs. yeah
celebration vs. yeah
glee vs. yeah
joy vs. yeah
woohoo vs. yeah
yay vs. yeah
hurrah vs. yeah
aye vs. yeah
yea vs. yeah
yeah vs. yup
yeah vs. yep
yeah vs. yes