compunction vs guilt

compunction and guilt both are nouns.

Word	Noun	Adjective	Verb	Adverb
compunction	Yes	No	No	No
guilt	Yes	No	No	No

As nouns, guilt is a hyponym of compunction; that is, guilt is a word with a more specific, narrower meaning than compunction:

Other hyponyms of compunction include guilt feelings, guilt trip, guilty conscience, penance, penitence, repentance.

compunction (noun)	guilt (noun)
a feeling of deep regret (usually for some misdeed)	remorse caused by feeling responsible for some offense
	the state of having committed an offense