guess vs surmisal

guess and surmisal both are nouns.

Word	Noun	Adjective	Verb	Adverb
guess	Yes	No	Yes	No
surmisal	Yes	No	No	No

As nouns, guess and surmisal are synonyms defined as:

guess and surmisal: a message expressing an opinion based on incomplete evidence

Other synonyms of guess include conjecture, hypothesis, speculation, supposition, surmise.

guess (noun)	surmisal (noun)
an estimate based on little or no information	a message expressing an opinion based on incomplete evidence
a message expressing an opinion based on incomplete evidence

guess (verb)	surmisal (verb)
expect, believe, or suppose
judge tentatively or form an estimate of (quantities or time)
guess correctly; solve by guessing
put forward, of a guess, in spite of possible refutation