effectiveness vs potent

effectiveness is a noun but potent is not a noun.

Word	Noun	Adjective	Verb	Adverb
effectiveness	Yes	No	No	No
potent	No	Yes	No	No

effectiveness (noun)	potent (noun)
power to be effective; the quality of being able to bring about an effect
capacity to produce strong physiological or chemical effects

effectiveness (adjective)	potent (adjective)
	having a strong physiological or chemical effect
	(of a male) capable of copulation
	having great influence
	having or wielding force or authority