small boat vs canoe

small boat and canoe both are nouns.

Word	Noun	Adjective	Verb	Adverb
small boat	Yes	No	No	No
canoe	Yes	No	Yes	No

As nouns, canoe is a hyponym of small boat; that is, canoe is a word with a more specific, narrower meaning than small boat:

Other hyponyms of small boat include cockleshell, coracle, dinghy, dory, rowboat, gig, racing boat, skiff, yawl.

small boat (noun)	canoe (noun)
a boat that is small	small and light boat; pointed at both ends; propelled with a paddle

small boat (verb)	canoe (verb)
	travel by canoe