deduct vs extrapolate

deduct and extrapolate both are verbs.

Word	Noun	Adjective	Verb	Adverb
deduct	No	No	Yes	No
extrapolate	No	No	Yes	No

As verbs, extrapolate is a hyponym of deduct; that is, extrapolate is a word with a more specific, narrower meaning than deduct:

deduct: reason by deduction; establish by deduction
extrapolate: gain knowledge of (an area not known or experienced) by extrapolating

Other hyponyms of deduct include surmise, elicit.

deduct (verb)	extrapolate (verb)
reason by deduction; establish by deduction	estimate the value of something based on known values
make a subtraction	gain knowledge of (an area not known or experienced) by extrapolating
retain and refrain from disbursing; of payments	draw from specific cases for more general cases