field tent vs canvas

field tent and canvas both are nouns.

Word	Noun	Adjective	Verb	Adverb
field tent	Yes	No	No	No
canvas	Yes	No	Yes	No

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

Other hypernyms of field tent include canvas tent, canvass.

field tent (noun)	canvas (noun)
a canvas tent for use in the field	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

field tent (verb)	canvas (verb)
	cover with canvas