absorb vs steep

absorb is not a noun while steep is a noun.

Word	Noun	Adjective	Verb	Adverb
absorb	No	No	Yes	No
steep	Yes	Yes	Yes	No

As verbs, absorb and steep are synonyms defined as:

Other synonyms of absorb include engross, engulf, immerse, plunge, soak up.

absorb (noun)	steep (noun)
	a steep place (as on a hill)

absorb (adjective)	steep (adjective)
	having a sharp inclination
	of a slope; set at a high angle
	greatly exceeding bounds of reason or moderation

absorb (verb)	steep (verb)
cause to become one with	let sit in a liquid to extract a flavor or to cleanse
take up mentally	devote (oneself) fully to
consume all of one's attention or time
devote (oneself) fully to
take in, also metaphorically
become imbued
assimilate or take in
take up, as of debts or payments
suck or take up or in