blending vs conflux

blending and conflux both are nouns.

Word	Noun	Adjective	Verb	Adverb
blending	Yes	No	No	No
conflux	Yes	No	No	No

As nouns, conflux is a hyponym of blending; that is, conflux is a word with a more specific, narrower meaning than blending:

Other hyponyms of blending include confluence, merging, homogenisation, homogenization.

blending (noun)	conflux (noun)
a gradation involving small or imperceptible differences between grades	a flowing together
the act of blending components together thoroughly