expect vs guess

expect is not a noun while guess is a noun.

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

As verbs, guess is a hyponym of expect; that is, guess is a word with a more specific, narrower meaning than expect:

expect (noun)	guess (noun)
	an estimate based on little or no information
	a message expressing an opinion based on incomplete evidence

expect (verb)	guess (verb)
be pregnant with	expect, believe, or suppose
look forward to the birth of a child	judge tentatively or form an estimate of (quantities or time)
regard something as probable or likely	guess correctly; solve by guessing
look forward to the probable occurrence of	put forward, of a guess, in spite of possible refutation
consider reasonable or due
consider obligatory; request and expect