Misspelling
eatherbrain, faetherbrain, feaatherbraain, featherbbrain, featherbrai, featherbraiin, featherbraim, featherbrainn, featherbrani, featherbrian, featherrbrrain, feathherbrain, feattherbrain, feeatheerbrain, ffeatherbrain, pheatherbrain

Featherbrain — synonyms,

1. featherbrain (Noun)

3 synonyms
flibbertigibbet rattlebrain scatter-brain