absorb vs meld

absorb is not a noun while meld is a noun.

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

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

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

absorb (noun)	meld (noun)
	a form of rummy using two decks of cards and four jokers; jokers and deuces are wild; the object is to form groups of the same rank

absorb (verb)	meld (verb)
cause to become one with	mix together different elements
take up mentally	lose its distinct outline or shape; blend gradually
consume all of one's attention or time	announce for a score; of cards in a card game
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