There are 10 words that start with 'cuspi'.
| cuspid | cuspis | cuspids |
| cuspidal | cuspides | cuspidor |
| cuspidate | cuspidors | cuspidation |
| cuspidations | ||
Note: These 10 words that start with 'cuspi' are found from the USA & Canada version of the tournament Scrabble word list.