theorize vs expect

theorize and expect both are verbs.

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

As verbs, expect is a hypernym of theorize; that is, expect is a word with a broader meaning than theorize:

Other hypernyms of theorize include anticipate.

theorize (verb)	expect (verb)
to believe especially on uncertain or tentative grounds	be pregnant with
form or construct theories	look forward to the birth of a child
construct a theory about	regard something as probable or likely
	look forward to the probable occurrence of
	consider reasonable or due
	consider obligatory; request and expect