breathe in vs huff

breathe in is not a noun while huff is a noun.

Word	Noun	Adjective	Verb	Adverb
breathe in	No	No	Yes	No
huff	Yes	No	Yes	No

As verbs, huff is a hyponym of breathe in; that is, huff is a word with a more specific, narrower meaning than breathe in:

Other hyponyms of breathe in include aspirate, sniff, sniffle, snivel, snuffle, snuff, drag, draw, puff, snort.

breathe in (noun)	huff (noun)
	a state of irritation or annoyance

breathe in (verb)	huff (verb)
draw in (air)	blow hard and loudly
	inhale recreational drugs