hassock vs ottoman

hassock and ottoman both are nouns.

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

As nouns, hassock and ottoman are synonyms defined as:

Other synonyms of hassock include pouf, pouffe, puff.

hassock (noun)	ottoman (noun)
a cushion for kneeling on (as when praying in church)	thick cushion used as a seat
thick cushion used as a seat	a low seat or a stool to rest the feet of a seated person