meld vs flux

meld and flux both are nouns.

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

As verbs, meld and flux are synonyms defined as:

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

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

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

meld (noun)	flux (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	in constant change
	(physics) the number of changes in energy flow across a given surface per unit area
	a flow or discharge
	the lines of force surrounding a permanent magnet or a moving charged particle
	excessive discharge of liquid from a cavity or organ (as in watery diarrhea)
	a state of uncertainty about what should be done (usually following some important event) preceding the establishment of a new direction of action
	a substance added to molten metals to bond with impurities that can then be readily removed
	the rate of flow of energy or particles across a given surface

meld (verb)	flux (verb)
mix together different elements	mix together different elements
lose its distinct outline or shape; blend gradually	become liquid or fluid when heated
announce for a score; of cards in a card game	move or progress freely as if in a stream