absorb vs merge

absorb and merge both are verbs.

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

As verbs, merge is a hypernym of absorb; that is, merge is a word with a broader meaning than absorb:

Other hypernyms of absorb include blend, coalesce, combine, commingle, conflate, flux, fuse, immix, meld, mix.

absorb (verb)	merge (verb)
cause to become one with	become one
take up mentally	mix together different elements
consume all of one's attention or time	join or combine
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