bola tie vs necktie

bola tie and necktie both are nouns.

Word	Noun	Adjective	Verb	Adverb
bola tie	Yes	No	No	No
necktie	Yes	No	No	No

As nouns, necktie is a hypernym of bola tie; that is, necktie is a word with a broader meaning than bola tie:

bola tie: a cord fastened around the neck with an ornamental clasp and worn as a necktie
necktie: neckwear consisting of a long narrow piece of material worn (mostly by men) under a collar and tied in knot at the front

Other hypernyms of bola tie include tie.

bola tie (noun)	necktie (noun)
a cord fastened around the neck with an ornamental clasp and worn as a necktie	neckwear consisting of a long narrow piece of material worn (mostly by men) under a collar and tied in knot at the front