nouveau-riche vs upstart

nouveau-riche and upstart both are nouns.

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

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

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

Other synonyms of nouveau-riche include parvenu, parvenue.

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

nouveau-riche and upstart: 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 nouveau-riche include arriviste, parvenu.

nouveau-riche (noun)	upstart (noun)
a person who has suddenly risen to a higher economic status but has not gained social acceptance of others in that class	a gymnastic exercise performed starting from a position with the legs over the upper body and moving to an erect position by arching the back and swinging the legs out and down while forcing the chest upright
	a person who has suddenly risen to a higher economic status but has not gained social acceptance of others in that class
	an arrogant or presumptuous person

nouveau-riche (adjective)	upstart (adjective)
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