Heteronymous vs Homonymous - What's the difference?

As adjectives the difference between heteronymous and homonymous

is that heteronymous is of, or relating to a heteronym while homonymous is having the same name as another.

(en adjective)

Of, or relating to a heteronym

Being different words, but having a common relationship e.g. brother and sister are siblings of each other

(-)

having the same name as another

of or pertaining to a homonym