can vs public lavatory

can and public lavatory both are nouns.

Word	Noun	Adjective	Verb	Adverb
can	Yes	No	Yes	No
public lavatory	Yes	No	No	No

As nouns, public lavatory is a hyponym of can; that is, public lavatory is a word with a more specific, narrower meaning than can:

can (noun)	public lavatory (noun)
airtight sealed metal container for food or drink or paint etc.	a toilet that is available to the public
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

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