Yes, rimes is a Scrabble word!

Verb

1. Be similar in sound, especially with respect to the last syllable

2. Compose rhymes

3. Run around the rim of

4. Furnish with a rim

5. Roll around the rim of

Noun

1. Ice crystals forming a white deposit (especially on objects outside)

2. Correspondence in the sounds of two or more lines (especially final sounds)