%congenerous%

a. [ L. congener; con- + genus, generis, birth, kind, race. See Genus, and cf. Congener. ] Allied in origin or cause; congeneric; as, congenerous diseases. [ Obs. ] Sir T. Browne.

-- Con*gen"er*ous*ness, n. [Obs.] Hallywell. [1913 Webster]