impulse vs forcefulness

impulse and forcefulness both are nouns.

Word	Noun	Adjective	Verb	Adverb
impulse	Yes	No	No	No
forcefulness	Yes	No	No	No

As nouns, forcefulness is a hypernym of impulse; that is, forcefulness is a word with a broader meaning than impulse:

Other hypernyms of impulse include force, strength.

impulse (noun)	forcefulness (noun)
the act of applying force suddenly	physical energy or intensity
an impelling force or strength
the electrical discharge that travels along a nerve fiber
(electronics) a sharp transient wave in the normal electrical state (or a series of such transients)
a sudden desire
an instinctive motive