This is the 5th most frequent Turkish word.
bu
"This."
In this sentence, 'bu' serves as a demonstrative adjective, specifying the noun 'kitap' (book).
Bu kitap çok ilginç.
This book is very interesting.
In this sentence, 'bu' functions as a demonstrative pronoun, standing on its own to refer to a concept or situation.
Bu, gerçekten inanılmaz!
This is truly incredible!
Here, 'bu' appears in its accusative case form 'bunu', used as the direct object of the verb 'verir'.