odourise vs aromatise

odourise and aromatise both are verbs.

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

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

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

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