As adjectives the difference between mothy and mouthy
is that mothy is infested with moths while mouthy is overly talkative, insolent, and loud.
mothy
English
Adjective
(er)
infested with moths
moth-eaten
mouthy
English
Adjective
(er)
Overly talkative, insolent, and loud.
Synonyms
* gobby, ranting