whipsaw vs pitsaw

whipsaw and pitsaw both are nouns.

Word	Noun	Adjective	Verb	Adverb
whipsaw	Yes	No	Yes	No
pitsaw	Yes	No	No	No

As nouns, pitsaw is a hyponym of whipsaw; that is, pitsaw is a word with a more specific, narrower meaning than whipsaw:

whipsaw: a saw with handles at both ends; intended for use by two people
pitsaw: a large two-handed saw formerly used to cut logs into planks; one man stood above the log and the other in a pit below

whipsaw (noun)	pitsaw (noun)
a saw with handles at both ends; intended for use by two people	a large two-handed saw formerly used to cut logs into planks; one man stood above the log and the other in a pit below

whipsaw (verb)	pitsaw (verb)
saw with a whipsaw
victimize, especially in gambling or negotiations