parity
noun
[ ˈparɪti ]
• the state or condition of being equal, especially as regards status or pay.
• "parity of incomes between rural workers and those in industrial occupations"
Similar:
equality,
equivalence,
uniformity,
sameness,
consistency,
correspondence,
congruity,
congruence,
levelness,
unity,
coequality,
parallelism,
evenness,
• (of a number) the fact of being even or odd.
Origin:
late 16th century: from late Latin paritas, from par ‘equal’.
parity
noun
• the fact or condition of having borne children.
• "the relationship between breast cancer and parity was investigated"
Origin:
late 19th century: from parous ‘having borne offspring’ (back-formation from adjectives ending in -parous) + -ity.