This is the 914th most frequent Greek word.
ίδιοι
"Ίδιοι" means "the same" or "themselves" in English, depending on the context.
The word 'ίδιοι' is used as a pronoun emphasizing that the subject themselves performed the action.
Οι ίδιοι πήγαν στο πάρκο.
They themselves went to the park.
The word 'ίδια' indicates similarity or sameness in the noun 'βιβλία' it describes.
Έχουν τα ίδια βιβλία όπως εσύ.
They have the same books as you.
The word 'ίδια' is used to describe 'ιστορία', emphasizing it is the identical one.