What's the difference between agnomination and paronomasia?

Agnomination

Definition:

• (n.) A surname.
• (n.) Paronomasia; also, alliteration; annomination.

Example Sentences:

Paronomasia

Definition:

• (n.) A play upon words; a figure by which the same word is used in different senses, or words similar in sound are set in opposition to each other, so as to give antithetical force to the sentence; punning.

Example Sentences: