ottoman vs footstool

ottoman and footstool both are nouns.

Word	Noun	Adjective	Verb	Adverb
ottoman	Yes	No	No	No
footstool	Yes	No	No	No

As nouns, ottoman and footstool are synonyms defined as:

ottoman and footstool: a low seat or a stool to rest the feet of a seated person

Other synonyms of ottoman include footrest, tuffet.

ottoman (noun)	footstool (noun)
thick cushion used as a seat	a low seat or a stool to rest the feet of a seated person
a low seat or a stool to rest the feet of a seated person