random variable vs stochastic variable

random variable and stochastic variable both are nouns.

Word	Noun	Adjective	Verb	Adverb
random variable	Yes	No	No	No
stochastic variable	Yes	No	No	No

As nouns, random variable and stochastic variable are synonyms defined as:

random variable and stochastic variable: a variable quantity that is random

Other synonyms of random variable include chance variable, variant, variate.

random variable (noun)	stochastic variable (noun)
a variable quantity that is random	a variable quantity that is random