syncretize vs meld

syncretize is not a noun while meld is a noun.

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

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

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

syncretize (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

syncretize (verb)	meld (verb)
become fused	mix together different elements
unite (beliefs or conflicting principles)	lose its distinct outline or shape; blend gradually
	announce for a score; of cards in a card game