need vs compel

need is a noun but compel is not a noun.

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

As verbs, compel is a hyponym of need; that is, compel is a word with a more specific, narrower meaning than need:

Other hyponyms of need include claim, exact, take, govern, draw, cost, cry for, cry out for.

need (noun)	compel (noun)
the psychological feature that arouses an organism to action toward a desired goal; the reason for the action; that which gives purpose and direction to behavior
anything that is necessary but lacking
a condition requiring relief
a state of extreme poverty or destitution

need (verb)	compel (verb)
have need of	force somebody to do something
have or feel a need for	necessitate or exact
require as useful, just, or proper