scarf vs feather boa

scarf and feather boa both are nouns.

Word	Noun	Adjective	Verb	Adverb
scarf	Yes	No	Yes	No
feather boa	Yes	No	No	No

As nouns, feather boa is a hyponym of scarf; that is, feather boa is a word with a more specific, narrower meaning than scarf:

scarf: a garment worn around the head or neck or shoulders for warmth or decoration
feather boa: a long thin fluffy scarf of feathers or fur

Other hyponyms of scarf include boa, fichu, kerchief, lambrequin, mantilla, muffler, patka, rebozo, sable, stole, tudung.

scarf (noun)	feather boa (noun)
a garment worn around the head or neck or shoulders for warmth or decoration	a long thin fluffy scarf of feathers or fur
a joint made by notching the ends of two pieces of timber or metal so that they will lock together end-to-end

scarf (verb)	feather boa (verb)
wrap in or adorn with a scarf
masturbate while strangling oneself
unite by a scarf joint