chaise longue vs chair

chaise longue and chair both are nouns.

Word	Noun	Adjective	Verb	Adverb
chaise longue	Yes	No	No	No
chair	Yes	No	Yes	No

As nouns, chair is a hypernym of chaise longue; that is, chair is a word with a broader meaning than chaise longue:

chaise longue (noun)	chair (noun)
a long chair; for reclining	the position of professor
	a seat for one person, with a support for the back
	an instrument of execution by electrocution; resembles an ordinary seat for one person
	a particular seat in an orchestra
	the officer who presides at the meetings of an organization

chaise longue (verb)	chair (verb)
	preside over
	act or preside as chair, as of an academic department in a university