Other hyponyms of social class include
domain,
world,
age class,
agriculture,
brotherhood,
fraternity,
sodality,
estate,
estate of the realm,
the three estates,
labor,
labour,
proletariat,
working class,
underclass,
bourgeoisie,
middle class,
booboisie,
commonality,
commonalty,
commons,
peasantry,
demimonde,
underworld,
yeomanry,
caste,
caste,
upper class,
upper crust,
ninja,
firing line,
immigrant class,
center,
centre,
old school,
market,
craft,
trade,
fair sex,
woman,
womanhood,
patriciate.