can vs comfort station

can and comfort station both are nouns.

Word	Noun	Adjective	Verb	Adverb
can	Yes	No	Yes	No
comfort station	Yes	No	No	No

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

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