There are 17 words that start with 'lear'.
| lear | learn | 
| lears | leary | 
| learns | learnt | 
| learier | learned | 
| learner | leariest | 
| learners | learning | 
| learnable | learnedly | 
| learnings | learnedness | 
| learnednesses | |
Note: These 17 words that start with 'lear' are found from the USA & Canada version of the tournament Scrabble word list.