Webster's Revised Unabridged Dictionary · 1913

Disparity

Disparity , noun

[Late Latin disparitas, from Latin dispar unlike, unequal; dis- + par equal: compare French disparité. See Par, Peer.]

Inequality; difference in age, rank, condition, or excellence; dissimilitude; -- followed by between, in, of, as to, etc.; as, disparity in, or of, years; a disparity as to color.
The disparity between God and his intelligent creatures. — I. Taylor
The disparity of numbers was not such as ought to cause any uneasiness. — Macaulay