deduce vs extrapolate

deduce and extrapolate both are verbs.

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

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

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

Other hyponyms of deduce include surmise, elicit.

deduce (verb)	extrapolate (verb)
reason by deduction; establish by deduction	estimate the value of something based on known values
conclude by reasoning; in logic	gain knowledge of (an area not known or experienced) by extrapolating
	draw from specific cases for more general cases