arse vs can

arse and can both are nouns.

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

As nouns, arse and can are synonyms defined as:

arse (noun)	can (noun)
vulgar slang for anus	airtight sealed metal container for food or drink or paint etc.
the fleshy part of the human body that you sit on	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

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