There are 9 words that start with 'odon'.
| odonate | odonates |
| odontoid | odontoids |
| odontoblast | odontoblasts |
| odontoblastic | odontoglossum |
| odontoglossums | |
Note: These 9 words that start with 'odon' are found from the USA & Canada version of the tournament Scrabble word list.