splay vs cant

splay and cant both are nouns.

Word	Noun	Adjective	Verb	Adverb
splay	Yes	Yes	Yes	No
cant	Yes	No	Yes	No

As nouns, cant is a hypernym of splay; that is, cant is a word with a broader meaning than splay:

Other hypernyms of splay include bevel, chamfer.

splay (noun)	cant (noun)
an outward bevel around a door or window that makes it seem larger	two surfaces meeting at an angle different from 90 degrees
	a characteristic language of a particular group (as among thieves)
	stock phrases that have become nonsense through endless repetition
	insincere talk about religion or morals
	a slope in the turn of a road or track; the outside is higher than the inside in order to reduce the effects of centrifugal force

splay (adjective)	cant (adjective)
turned outward in an ungainly manner