Ten

Part of speech: noun (n.)

1. The number greater by one than nine; the sum of five and five; ten units of objects. I will not destroy it for ten's sake. Gen. xviii. 32.

2. A symbol representing ten units, as 10, x, or X.

Part of speech: adjective (a.)

One more than nine; twice five. With twice ten sail I crossed the Phrygian Sea. Dryden.