Compare arity with other words:
acrity vs. arity
arity vs. rarity
amity vs. arity
arity vs. parity
arity vs. monadic
arity vs. tuple
arity vs. dyadic
arity vs. binary
arity vs. rank
arity vs. type
adicity vs. arity
arity vs. correspond
arity vs. relation
arity vs. domain
arity vs. operation
arity vs. function
arity vs. operand
argument vs. arity