rotate vs splay

rotate is not a noun while splay is a noun.

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

As verbs, rotate and splay are synonyms defined as:

Other synonyms of rotate include spread out, turn out.

rotate (noun)	splay (noun)
	an outward bevel around a door or window that makes it seem larger

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

rotate (verb)	splay (verb)
plant or grow in a fixed cyclic order of succession	move out of position
perform a job or duty on a rotating basis	turn outward
cause to turn on an axis or center	spread open or apart
turn on or around an axis or a center
turn outward
exchange on a regular basis