hypothesise vs theorize

hypothesise and theorize both are verbs.

Word	Noun	Adjective	Verb	Adverb
hypothesise	No	No	Yes	No
theorize	No	No	Yes	No

As verbs, hypothesise and theorize are synonyms defined as:

hypothesise and theorize: to believe especially on uncertain or tentative grounds

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

hypothesise (verb)	theorize (verb)
to believe especially on uncertain or tentative grounds	to believe especially on uncertain or tentative grounds
	form or construct theories
	construct a theory about