YOU SAID:

i have a friend her names starts with d and she is so cool

INTO JAPANESE

私は彼女の名前はdで始まり、彼女はとてもクールです、友人を持っている

BACK INTO ENGLISH

I have a friend whose name begins with d and she is very cool

INTO JAPANESE

私は名前がdで始まる友人がいて、彼女はとても冷静です

BACK INTO ENGLISH

I have a friend whose name begins with d, and she is very calm.

INTO JAPANESE

私は名前がdで始まる友人がいて、彼女はとても落ち着いています。

BACK INTO ENGLISH

I have a friend whose name begins with d, and she is very calm.