There are 15 words that start with 'lenti'.
| lentic | lentil | lentigo | 
| lentils | lentisk | lenticel | 
| lentisks | lenticels | lenticule | 
| lenticular | lenticules | lentigines | 
| lentissimo | lentivirus | lentiviruses | 
Note: These 15 words that start with 'lenti' are found from the USA & Canada version of the tournament Scrabble word list.