penalize vs estimate

penalize is not a noun while estimate is a noun.

Word	Noun	Adjective	Verb	Adverb
penalize	No	No	Yes	No
estimate	Yes	No	Yes	No

penalize (noun)	estimate (noun)
	a judgment of the qualities of something or somebody
	an approximate calculation of quantity or degree or worth
	the respect with which a person is held
	a document appraising the value of something (as for insurance or taxation)
	a statement indicating the likely cost of some job

penalize (verb)	estimate (verb)
impose a penalty on; inflict punishment on	judge tentatively or form an estimate of (quantities or time)
	judge to be probable