Kenneth G. Wilson (1923). The Columbia Guide to Standard American English. 1993.
homogeneous, homogenous (adjs.)
Homogeneous (pronounced ho-mo-JEEN-yuhs) means of the same kind or structure, of like composition: It was a homogeneous community, its members holding remarkably similar values. Homogenous (pronounced ho-MAH-jen-uhs or huh-MAH-jen-uhs) means similar in makeup because similar in descent: These animals are homogenous, as their similar physiology makes clear. The antonyms are, respectively, heterogeneous and heterogenous.