doctor vs modernize

doctor is a noun but modernize is not a noun.

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

doctor (noun)	modernize (noun)
children take the roles of physician or patient or nurse and pretend they are at the physician's office
a licensed medical practitioner
a person who holds Ph.D. degree (or the equivalent) from an academic institution

doctor (verb)	modernize (verb)
give medical treatment to	make repairs, renovations, revisions or adjustments to
alter and make impure, as with the intention to deceive	become technologically advanced
restore by replacing a part or putting together what is torn or broken