pompon vs adornment

pompon and adornment both are nouns.

Word	Noun	Adjective	Verb	Adverb
pompon	Yes	No	No	No
adornment	Yes	No	No	No

As nouns, adornment is a hypernym of pompon; that is, adornment is a word with a broader meaning than pompon:

pompon: decoration consisting of a ball of tufted wool or silk; usually worn on a hat
adornment: a decoration of color or interest that is added to relieve plainness

pompon (noun)	adornment (noun)
dusky grey food fish found from Louisiana and Florida southward	the action of decorating yourself with something colorful and interesting
decoration consisting of a ball of tufted wool or silk; usually worn on a hat	a decoration of color or interest that is added to relieve plainness