compulsion vs compel

compulsion is a noun but compel is not a noun.

Word	Noun	Adjective	Verb	Adverb
compulsion	Yes	No	No	No
compel	No	No	Yes	No

compulsion (noun)	compel (noun)
using force to cause something to occur
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

compulsion (verb)	compel (verb)
	force somebody to do something
	necessitate or exact