odourise vs perfume

odourise is not a noun while perfume is a noun.

Word	Noun	Adjective	Verb	Adverb
odourise	No	No	Yes	No
perfume	Yes	No	Yes	No

As verbs, perfume is a hyponym of odourise; that is, perfume is a word with a more specific, narrower meaning than odourise:

Other hyponyms of odourise include smell up, stink out, stink up, aromatise, aromatize, cense, incense, thurify.

odourise (noun)	perfume (noun)
	a toiletry that emits and diffuses a fragrant odor
	a distinctive odor that is pleasant

odourise (verb)	perfume (verb)
cause to smell or be smelly	apply perfume to
	fill or impregnate with an odor