conjecture vs hypothesize

conjecture is a noun but hypothesize is not a noun.

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

As verbs, conjecture and hypothesize are synonyms defined as:

conjecture and hypothesize: to believe especially on uncertain or tentative grounds

Other synonyms of conjecture include hypothecate, hypothesise, speculate, suppose, theorise, theorize.

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

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