Difference between Pretentious and Parvenu

PRETENTIOUS vs PARVENU: NOUN

A person who has suddenly risen to a higher economic status but has not gained social acceptance of others in that class
One newly risen into notice, especially by an accident of fortune and beyond his birth or apparent deserts, whether as a claimant for a place in society or as occupying a position of authority; an upstart.
An upstart; a man newly risen into notice.
A person who has risen, climbed up, or has been promoted to a higher social class, especially through acquisition of wealth, rights, or political authority but has not gained social acceptance by those within that new class.

Intended to attract notice and impress others
Of a display that is tawdry or vulgar
Claiming that or behaving as if one is important or deserving of merit when such is not the case.
Showing or betraying an attitude of superiority.
Marked by an extravagant or presumptuous outward show; ostentatious: : showy.
Full of pretension; disposed to lay claim to more than is one's; presuming; assuming.
Marked by an unwarranted claim to importance or distinction.
Making claim to or creating an appearance of (often undeserved) importance or distinction
(of a display) tawdry or vulgar
Ostentatious; intended to impress others.

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
This sense?) Being a parvenu; also, like or having the characteristics of a parvenu.

Pretended; unfounded; false.
Full of pretension, or claims to greater excellence or importance than the truth warrants; attempting to pass for more than the actual worth or importance; making an exaggerated outward show.

Sesquipedalian, Highfaluting, Tasteless, Parvenu, Portentous, Grandiose, Ostentatious, Kitsch, Sententious, Showy, Hifalutin, Grandiloquent, Highfalutin, Arty, Pompous

Sybarite, Flatterer, Dandyism, Prole, Petite bourgeoisie, Patrician, Princeling, Aristocracy, Nouveau riche, Arriviste, Parvenue, Nouveau riche, New, Upstart, Pretentious

Sesquipedalian, Highfaluting, Tasteless, Parvenu, Portentous, Grandiose, Ostentatious, Kitsch, Sententious, Showy, Hifalutin, Grandiloquent, Highfalutin, Arty, Pompous

Sybarite, Flatterer, Dandyism, Prole, Petite bourgeoisie, Patrician, Princeling, Aristocracy, Nouveau riche, Arriviste, Parvenue, Nouveau riche, New, Upstart, Pretentious

Hipster paradise and a bit pretentious, overall okay.
Help me stamp out boring, pretentious artist statements!
Characterized by a pretentious, boastful, exaggerated style, bombastic.
Get detailed meaning of pretentious in Hindi language.
I gotta go stop being a pretentious fuck.
Overstated language is wordy, vague, and often pretentious.
Many readers find this diction unnatural or pretentious.
What a silly little emotional and pretentious rant.
Yet every moment feels either pretentious or poky.
Caught between a pretentious, sniffy, student scene, and a pretentious, sniffy and snidey fan scene, even being myself took practice.

In 'The Massarenes' (1897) she gave a lurid picture of the parvenu millionaire in smart London society.
Every unite of period a parvenu furor dieting comes on.