kettle of fish vs hole

kettle of fish and hole both are nouns.

Word	Noun	Adjective	Verb	Adverb
kettle of fish	Yes	No	No	No
hole	Yes	No	Yes	No

As nouns, kettle of fish and hole are synonyms defined as:

Other synonyms of kettle of fish include fix, jam, mess, muddle, pickle.

kettle of fish (noun)	hole (noun)
informal terms for a difficult situation	an opening deliberately made in or through something
	one playing period (from tee to green) on a golf course
	informal terms for the mouth
	an opening into or through something
	a depression hollowed out of solid matter
	an unoccupied space
	informal terms for a difficult situation
	a fault

kettle of fish (verb)	hole (verb)
	make holes in
	hit the ball into the hole