tool vs penis

tool and penis both are nouns.

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

As nouns, penis is a hypernym of tool; that is, penis is a word with a broader meaning than tool:

Other hypernyms of tool include member, phallus.

tool (noun)	penis (noun)
the means whereby some act is accomplished	the male sex organ
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

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