In lang=en terms the difference between registrable and registerable
is that registrable is in United States trademark law, capable of receiving trademark registration while registerable is that can be registered (as of a trademark).
registrable
English
Adjective
(
en adjective)
(legal) In United States trademark law, capable of receiving trademark registration.
Derived terms
* registrability
Antonyms
* unregistrable
registerable
English
Adjective
(-)
(legal) That can be registered (as of a trademark).