overhaul vs modernize

overhaul is a noun but modernize is not a noun.

Word	Noun	Adjective	Verb	Adverb
overhaul	Yes	No	Yes	No
modernize	No	No	Yes	No

As verbs, overhaul and modernize are synonyms defined as:

overhaul and modernize: make repairs, renovations, revisions or adjustments to

Other synonyms of overhaul include modernise.

overhaul (noun)	modernize (noun)
periodic maintenance on a car or machine
the act of improving by renewing and restoring

overhaul (verb)	modernize (verb)
make repairs, renovations, revisions or adjustments to	make repairs, renovations, revisions or adjustments to
travel past	become technologically advanced