As nouns the difference between hasher and lasher
is that hasher is one who hashes while lasher is one who whips or lashes.
hasher
English
Noun
(
en noun)
One who hashes.
A food service worker in a low-end establishment.
One who participates in a hash run; a hare or hound in hashing.
lasher
English
Noun
(
en noun)
One who whips or lashes.
A piece of rope for binding or making fast one thing to another.
(UK) A weir in a river.
- (Charles Kingsley)
- (Halliwell)
Synonyms
* (rope for binding) lashing