The Collaborative International Dictionary
Congenerousness
Congenerous \Con*gen"er*ous\, 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.
Wiktionary
congenerousness
n. The state or property of being congenerous or congeneric.