guilt trip vs guilty conscience

guilt trip and guilty conscience both are nouns.

Word	Noun	Adjective	Verb	Adverb
guilt trip	Yes	No	No	No
guilty conscience	Yes	No	No	No

As nouns, guilt trip and guilty conscience are synonyms defined as:

guilt trip and guilty conscience: remorse caused by feeling responsible for some offense

Other synonyms of guilt trip include guilt, guilt feelings.

guilt trip (noun)	guilty conscience (noun)
remorse caused by feeling responsible for some offense	remorse caused by feeling responsible for some offense