noon, nick, nose, neck, etc.
deny
kick
Ever Ever
There aren't any, unless you're talking about the surname Katz, as in the biophysicist Sir Bernard Katz.
crave crowd
One four letter animal that does not rhyme with any words is wolf.
Any four letter word with a "v" in it. V is the Roman numeral for five.
yes, 'a fish'
Anaconda (1997)
yeast? yeast?
site sireside
It is an obscene word. Most curse words have four letters, so people started using this euphemism to mean any curse word.