arbalest vs crossbow

arbalest and crossbow both are nouns.

Word	Noun	Adjective	Verb	Adverb
arbalest	Yes	No	No	No
crossbow	Yes	No	No	No

As nouns, crossbow is a hypernym of arbalest; that is, crossbow is a word with a broader meaning than arbalest:

arbalest: late version of the crossbow with a steel bow
crossbow: a bow fixed transversely on a wooden stock grooved to direct the arrow (quarrel)

arbalest (noun)	crossbow (noun)
late version of the crossbow with a steel bow	a bow fixed transversely on a wooden stock grooved to direct the arrow (quarrel)