parvenu vs nouveau-riche

parvenu and nouveau-riche both are nouns.

Word	Noun	Adjective	Verb	Adverb
parvenu	Yes	Yes	No	No
nouveau-riche	Yes	Yes	No	No

As adjectives, parvenu and nouveau-riche are synonyms defined as:

parvenu and nouveau-riche: characteristic of someone who has risen economically or socially but lacks the social skills appropriate for this new position

Other synonyms of parvenu include parvenue, upstart.

As nouns, parvenu and nouveau-riche are synonyms defined as:

parvenu and nouveau-riche: a person who has suddenly risen to a higher economic status but has not gained social acceptance of others in that class

Other synonyms of parvenu include arriviste, upstart.

parvenu (noun)	nouveau-riche (noun)
a person who has suddenly risen to a higher economic status but has not gained social acceptance of others in that class	a person who has suddenly risen to a higher economic status but has not gained social acceptance of others in that class

parvenu (adjective)	nouveau-riche (adjective)
of or characteristic of a parvenu	characteristic of someone who has risen economically or socially but lacks the social skills appropriate for this new position
characteristic of someone who has risen economically or socially but lacks the social skills appropriate for this new position