coalesce vs merge

coalesce and merge both are verbs.

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

As verbs, coalesce and merge are synonyms defined as:

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

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

Other hypernyms of coalesce include unify, unite.

coalesce (verb)	merge (verb)
mix together different elements	become one
fuse or cause to grow together	mix together different elements
	join or combine