upstart vs parvenu

upstart and parvenu both are nouns.

Word	Noun	Adjective	Verb	Adverb
upstart	Yes	Yes	No	No
parvenu	Yes	Yes	No	No

As adjectives, upstart and parvenu are synonyms defined as:

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

Other synonyms of upstart include nouveau-riche, parvenue.

As nouns, upstart and parvenu are synonyms defined as:

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

upstart (noun)	parvenu (noun)
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
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

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