john vs can

john and can both are nouns.

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

As nouns, john and can are synonyms defined as:

Other synonyms of john include bathroom, lav, lavatory, privy, toilet.

john (noun)	can (noun)
a room or building equipped with one or more toilets	airtight sealed metal container for food or drink or paint etc.
a prostitute's customer	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

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