Letters that make stuck-up
s, k, p, c, t, u are letters that make 'stuck-up'
1 possible definitions for 'stuck-up'
Under this definition, stuck-up is an adjective and has the following properties:
persnickety, too big for one's breeches, snotty, snot-nosed, bigheaded, snooty, uppish have the same meaning as 'stuck-up'
uppityness, uppishness, snob, prig, snot, snoot are derivatives of 'stuck-up'.
proud is similar to stuck-up.
"a snotty little scion of a degenerate family"-Laurent Le Sage, "they're snobs--stuck-up and uppity and persnickety"