Homogenous Vs. Homogeneous: What's The Difference?

Apparently, these are two different words, but I would get confused.

https://www.youtube.com/watch?v=O2H2HJcjVp4

ho·mog·e·nous

1. 1.

   BIOLOGY

   old-fashioned term for homologous.

ho·mo·ge·ne·ous

adjective

1. of the same kind; alike.