Some four letter words ending in L are:
- ball
- bell
- bill
- boil
- bull
- call
- cell
- coil
- cool
- curl
- earl
- fail
- fall
- feel
- fell
- fill
- foil
- fool
- foul
- fowl
- full
- gall
- goal
- gill
- gull
- hall
- hail
- heel
- hell
- hill
- hull
- jell
- jail
- jowl
- keel
- kill
- loll
- lull
- mall
- mail
- meal
- mill
- moil
- mull
- nail
- null
- pail
- pall
- peel
- pill
- poll
- pool
- purl
- rail
- reel
- roll
- sail
- seal
- sell
- sill
- soil
- tail
- tall
- teal
- tell
- toil
- tool
- toll
- veil
- wail
- wall
- weal
- well
- will
- yell
- zeal