backsaw vs handsaw

backsaw and handsaw both are nouns.

Word	Noun	Adjective	Verb	Adverb
backsaw	Yes	No	No	No
handsaw	Yes	No	No	No

As nouns, handsaw is a hypernym of backsaw; that is, handsaw is a word with a broader meaning than backsaw:

backsaw: a handsaw that is stiffened by metal reinforcement along the upper edge
handsaw: a saw used with one hand for cutting wood

Other hypernyms of backsaw include carpenter's saw, hand saw.

backsaw (noun)	handsaw (noun)
a handsaw that is stiffened by metal reinforcement along the upper edge	a saw used with one hand for cutting wood