homonymous

As a noun namesake

is one who is named after another or for whom another is named.

As a verb namesake

is to name (somebody) after somebody else.

As an adjective homonymous is

having the same name as another.

As adjectives the difference between polysemous and homonymous

is that polysemous is (linguistics) having multiple meanings or interpretations while homonymous is having the same name as another.

As adjectives the difference between eponymous and homonymous

is that eponymous is of, relating to, or being the person or entity after which something or someone is named while homonymous is having the same name as another.

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.

As adjectives the difference between homonymous and homonomous

is that homonymous is having the same name as another while homonomous is having the same features or functions.

As adjectives the difference between homonymous and holonymous

is that homonymous is having the same name as another while holonymous is having the nature or property of a holonym.

As an adjective homonymous

is having the same name as another.

As an adverb homonymously is

in a homonymous manner, so as to have the same name or relation.