conjecture vs surmisal

conjecture and surmisal both are nouns.

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

As nouns, conjecture and surmisal are synonyms defined as:

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

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

conjecture (noun)	surmisal (noun)
a hypothesis that has been formed by speculating or conjecturing (usually with little hard evidence)	a message expressing an opinion based on incomplete evidence
reasoning that involves the formation of conclusions from incomplete evidence
a message expressing an opinion based on incomplete evidence

conjecture (verb)	surmisal (verb)
to believe especially on uncertain or tentative grounds