precariousness vs uncertainty

precariousness and uncertainty both are nouns.

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

As nouns, precariousness and uncertainty are synonyms defined as:

precariousness and uncertainty: being unsettled or in doubt or dependent on chance

Other synonyms of precariousness include uncertainness.

precariousness (noun)	uncertainty (noun)
extreme dangerousness	being unsettled or in doubt or dependent on chance
being unsettled or in doubt or dependent on chance	the state of being unsure of something