There are 20 words that start with 'sear'.
| sear | sears | search | 
| seared | searer | searest | 
| searing | searched | searcher | 
| searches | searobin | searchers | 
| searching | searingly | searobins | 
| searchable | searchless | searchingly | 
| searchlight | searchlights | |
Note: These 20 words that start with 'sear' are found from the USA & Canada version of the tournament Scrabble word list.