tarpaulin vs canvas

tarpaulin and canvas both are nouns.

Word	Noun	Adjective	Verb	Adverb
tarpaulin	Yes	No	No	No
canvas	Yes	No	Yes	No

As nouns, canvas is a hypernym of tarpaulin; that is, canvas is a word with a broader meaning than tarpaulin:

Other hypernyms of tarpaulin include canvass.

tarpaulin (noun)	canvas (noun)
waterproofed canvas	a heavy, closely woven fabric
	the mat that forms the floor of the ring in which boxers or professional wrestlers compete
	a tent made of canvas fabric
	a large piece of fabric (usually canvas fabric) by means of which wind is used to propel a sailing vessel
	an oil painting on canvas fabric
	the setting for a narrative or fictional or dramatic account

tarpaulin (verb)	canvas (verb)
	cover with canvas