restroom vs can

restroom and can both are nouns.

Word	Noun	Adjective	Verb	Adverb
restroom	Yes	No	No	No
can	Yes	No	Yes	No

As nouns, can is a hypernym of restroom; that is, can is a word with a broader meaning than restroom:

Other hypernyms of restroom include facility, bathroom, john, lav, lavatory, privy, toilet.

restroom (noun)	can (noun)
a toilet that is available to the public	airtight sealed metal container for food or drink or paint etc.
	a room or building equipped with one or more toilets
	a plumbing fixture for defecation and urination
	the fleshy part of the human body that you sit on
	a buoy with a round bottom and conical top
	the quantity contained in a can

restroom (verb)	can (verb)
	preserve in a can or tin
	terminate the employment of; discharge from an office or position