wash room vs can

wash room and can both are nouns.

Word	Noun	Adjective	Verb	Adverb
wash room	Yes	No	No	No
can	Yes	No	Yes	No

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

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

wash room (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

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