compulsion vs irresistible impulse

compulsion and irresistible impulse both are nouns.

Word	Noun	Adjective	Verb	Adverb
compulsion	Yes	No	No	No
irresistible impulse	Yes	No	No	No

As nouns, compulsion and irresistible impulse are synonyms defined as:

compulsion and irresistible impulse: an urge to do or say something that might be better left undone or unsaid

compulsion (noun)	irresistible impulse (noun)
using force to cause something to occur	an urge to do or say something that might be better left undone or unsaid
an irrational motive for performing trivial or repetitive actions, even against your will
an urge to do or say something that might be better left undone or unsaid