business
class
coin
compete
competition
competitive
concept
difference
differential
economic
female
gap
height
high
income
inequality
low
lower
male
man
men
miniature
money
pay
people
person
pile
poor
position
poverty
promotion
rank
ranking
rich
sitting
social
society
stack
status
stratification
stratum
success
three
unequal
upper
wage
wealth
woman
women