odorize vs stink up

odorize and stink up both are verbs.

Word	Noun	Adjective	Verb	Adverb
odorize	No	No	Yes	No
stink up	No	No	Yes	No

As verbs, stink up is a hyponym of odorize; that is, stink up is a word with a more specific, narrower meaning than odorize:

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

odorize (verb)	stink up (verb)
cause to smell or be smelly	cause to smell bad; fill with a bad smell