同名的英文：
isonym

A key with the same name already exists.
已经存在同名的密钥。

She is my namesake.
她和我同名。

John was named after his uncle.
约翰与他叔父同名。

He is my namesake
他和我同名。

A certificate with the same name already exists.
已经存在同名的证书。

The film has been adapted from a play of the same title.
电影改编自一部同名戏剧。

"The White Haired Girl" was adapted from the opera of the same title.
它根据同名歌剧改编

a titular character of a novel
小说中与书名同名的主角

A conditional forwarding zone already exists for that name.
已有一个同名的条件转发区。

The ballet was adapted from the film of the same title.
它是根据同名电影改编而成。