estimate vs figuring

estimate and figuring both are nouns.

Word	Noun	Adjective	Verb	Adverb
estimate	Yes	No	Yes	No
figuring	Yes	No	No	No

As nouns, figuring is a hypernym of estimate; that is, figuring is a word with a broader meaning than estimate:

Other hypernyms of estimate include calculation, computation, reckoning.

estimate (noun)	figuring (noun)
a judgment of the qualities of something or somebody	problem solving that involves numbers or quantities
an approximate calculation of quantity or degree or worth
the respect with which a person is held
a document appraising the value of something (as for insurance or taxation)
a statement indicating the likely cost of some job

estimate (verb)	figuring (verb)
judge tentatively or form an estimate of (quantities or time)
judge to be probable