cant vs splay

cant and splay both are nouns.

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

As nouns, splay is a hyponym of cant; that is, splay is a word with a more specific, narrower meaning than cant:

cant (noun)	splay (noun)
two surfaces meeting at an angle different from 90 degrees	an outward bevel around a door or window that makes it seem larger
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

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