probability vs risk

risk vs probability

probability and risk both are nouns.

probability is not a verb while risk is a verb.

Word	Noun	Adjective	Verb	Adverb
probability	Yes	No	No	No
risk	Yes	No	Yes	No

As nouns, risk is a hyponym of probability; that is, risk is a word with a more specific, narrower meaning than probability:

probability: a measure of how likely it is that some event will occur; a number expressing the ratio of favorable cases to the whole number of cases possible
risk: the probability of being exposed to an infectious agent

Other hyponyms of probability include conditional probability, contingent probability, cross section, exceedance, fair chance, sporting chance, fat chance, slim chance, joint probability, risk of exposure, risk of infection.

probability (noun)	risk (noun)
the quality of being probable; a probable event or the most probable event	a venture undertaken without regard to possible loss or injury
a measure of how likely it is that some event will occur; a number expressing the ratio of favorable cases to the whole number of cases possible	the probability of being exposed to an infectious agent
	the probability of becoming infected given that exposure to an infectious agent has occurred
	a source of danger; a possibility of incurring loss or misfortune

probability (verb)	risk (verb)
	expose to a chance of loss or damage
	take a risk in the hope of a favorable outcome

Difference between probability and risk

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