There are 23 words that start with 'leas'.
| leas | lease | leash | 
| least | leased | leaser | 
| leases | leasts | leasers | 
| leashed | leashes | leasing | 
| leasable | leashing | leasings | 
| leaseback | leasehold | leastways | 
| leastwise | leasebacks | leaseholds | 
| leaseholder | leaseholders | |
Note: These 23 words that start with 'leas' are found from the USA & Canada version of the tournament Scrabble word list.