What's the difference between epenthesis and epenthetic?

Epenthesis

Definition:

• (n.) The insertion of a letter or a sound in the body of a word; as, the b in "nimble" from AS. n/mol.

Example Sentences:

Epenthetic

Definition:

• (a.) Inserted in the body of a word; as, an epenthetic letter or sound.

Example Sentences: