Analogy

Webster's Practical Dictionary- A Practical Dictionary of the Englih Language · 1884 · p. 27

an-aKo-jT, n. A likene in some respects, between tilings otherwise different. (Geom) Equality, proportion, or similarity of ratios. — AnaJ/ogous, -gus,a. Correspondent. —Anal 'ogously, m/i-.— Analogue, -log, n. — Anal'ogon, n. A thing analogous to some other thing.