chaise vs shay

chaise and shay both are nouns.

Word	Noun	Adjective	Verb	Adverb
chaise	Yes	No	No	No
shay	Yes	No	No	No

As nouns, chaise and shay are synonyms defined as:

chaise and shay: a carriage consisting of two wheels and a calash top; drawn by a single horse

chaise (noun)	shay (noun)
a carriage consisting of two wheels and a calash top; drawn by a single horse	a carriage consisting of two wheels and a calash top; drawn by a single horse
a long chair; for reclining