congruence

soveliaisuus The quality of agreeing or corresponding; being suitable and appropriate.
puhekieltä A relation between two numbers indicating they give the same remainder when divided by some given number.
puhekieltä The quality of being isometric — roughly, the same measure and shape.
puhekieltä More generally: any (l) defined on an (l) which is preserved by (l) defined by the structure.
puhekieltä English congruence