proletariat vs salariat

proletariat and salariat both are nouns.

Word	Noun	Adjective	Verb	Adverb
proletariat	Yes	No	No	No
salariat	Yes	No	No	No

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

proletariat: a social class comprising those who do manual labor or work for wages
salariat: the class of workers who are salaried and get regular, non-hourly pay checks.

Other hyponyms of proletariat include labor force, labor pool, lumpenproletariat, organized labor.

proletariat (noun)	salariat (noun)
a social class comprising those who do manual labor or work for wages	the class of workers who are salaried and get regular, non-hourly pay checks.