scarf vs boa

scarf and boa both are nouns.

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

As nouns, boa is a hyponym of scarf; that is, 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
boa: a long thin fluffy scarf of feathers or fur

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

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

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