As verbs the difference between fletching and letching
is that fletching is present participle of lang=en while letching is present participle of letch.
As a noun fletching
is attaching fins, such as halved-feathers to a projectile in order to stabilize its flight.
fletching
English
Verb
(head)
Noun
(
en noun)
attaching fins, such as halved-feathers to a projectile in order to stabilize its flight;
the fins or feathers so attached.