theorize vs suppose

theorize and suppose both are verbs.

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

As verbs, theorize and suppose are synonyms defined as:

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

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

theorize (verb)	suppose (verb)
to believe especially on uncertain or tentative grounds	expect, believe, or suppose
form or construct theories	to believe especially on uncertain or tentative grounds
construct a theory about	require as a necessary antecedent or precondition
	take for granted or as a given; suppose beforehand
	express a supposition