suspicion vs uncertainty

suspicion and uncertainty both are nouns.

Word	Noun	Adjective	Verb	Adverb
suspicion	Yes	No	No	No
uncertainty	Yes	No	No	No

As nouns, uncertainty is a hypernym of suspicion; that is, uncertainty is a word with a broader meaning than suspicion:

Other hypernyms of suspicion include doubt, doubtfulness, dubiety, dubiousness, incertitude.

suspicion (noun)	uncertainty (noun)
being of a suspicious nature	being unsettled or in doubt or dependent on chance
doubt about someone's honesty	the state of being unsure of something
an impression that something might be the case
the state of being suspected