penis vs tool

penis and tool both are nouns.

Word	Noun	Adjective	Verb	Adverb
penis	Yes	No	No	No
tool	Yes	No	Yes	No

As nouns, tool is a hyponym of penis; that is, tool is a word with a more specific, narrower meaning than penis:

Other hyponyms of penis include cock, dick, pecker, prick, putz, shaft, micropenis, microphallus, erection, hard-on.

penis (noun)	tool (noun)
the male sex organ	the means whereby some act is accomplished
	an implement used in the practice of a vocation
	obscene terms for penis
	a person who is controlled by others and is used to perform unpleasant or dishonest tasks for someone else

penis (verb)	tool (verb)
	work with a tool
	ride in a car with no particular goal and just for the pleasure of it
	drive
	furnish with tools