odourise vs aromatize

odourise and aromatize both are verbs.

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

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

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

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