As nouns the difference between leper and lepper
is that leper
is a person who has leprosy while lepper
Other Comparisons: What's the difference?
A person who has leprosy.
A person who is shunned; a pariah.
A horse that jumps well.
* 1899 , Banjo Paterson,
- He's the king of all the leppers that was ever seen to lep,
(cattle) A type of Texas Longhorn, a subgroup of Butler cattle.
- A five-foot fence -- he'd clear it in a hop!
This term may have been used in Commonwealth English circles.