impulse vs abience

impulse and abience both are nouns.

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

As nouns, abience is a hyponym of impulse; that is, abience is a word with a more specific, narrower meaning than impulse:

Other hyponyms of impulse include adience, death instinct, death wish, Thanatos, itchy feet, wanderlust.

impulse (noun)	abience (noun)
the act of applying force suddenly	(psychology) an urge to withdraw or avoid a situation or an object
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