suspect vs guess

suspect and guess both are nouns.

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

As verbs, guess is a hypernym of suspect; that is, guess is a word with a broader meaning than suspect:

Other hypernyms of suspect include hazard, pretend, venture.

As verbs, guess is a hypernym of suspect; that is, guess is a word with a broader meaning than suspect:

Other hypernyms of suspect include imagine, opine, reckon, suppose, think.

suspect (noun)	guess (noun)
someone who is under suspicion	an estimate based on little or no information
a person or institution against whom an action is brought in a court of law; the person being sued or accused	a message expressing an opinion based on incomplete evidence

suspect (adjective)	guess (adjective)
not as expected

suspect (verb)	guess (verb)
regard as untrustworthy; regard with suspicion; have no faith or confidence in	expect, believe, or suppose
imagine to be the case or true or probable	judge tentatively or form an estimate of (quantities or time)
hold in suspicion; believe to be guilty	guess correctly; solve by guessing
	put forward, of a guess, in spite of possible refutation