As adjectives the difference between rainiest and brainiest
is that rainiest is (rainy) while brainiest is (brainy).
rainiest
English
Adjective
(head)
(rainy)
Anagrams
*
rainy
English
Adjective
(er)
Abounding with rain; wet; showery; as, rainy weather; a rainy day or season.
brainiest
English
Adjective
(head)
(brainy)
brainy
English
Adjective
(er)
(informal) Very intellectually capable.
Synonyms
* clever
* smart
* See also
Anagrams
*