deduct vs surmise

deduct is not a noun while surmise is a noun.

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

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

Other hyponyms of deduct include extrapolate, elicit.

deduct (noun)	surmise (noun)
	a message expressing an opinion based on incomplete evidence

deduct (verb)	surmise (verb)
reason by deduction; establish by deduction	infer from incomplete evidence
make a subtraction	imagine to be the case or true or probable
retain and refrain from disbursing; of payments