As adjectives the difference between rookiest and bookiest
is that rookiest is superlative of rooky while bookiest is superlative of booky.
rookiest
English
Adjective
(
head)
(rooky)
(informal) Most characteristic of a rookie.
- the rookiest of rookie mistakes
bookiest
English
Adjective
(head)
(booky) booky
English
Adjective
(er)
(dated) bookish
Derived terms
* bookiness