YOU SAID:

the head of the hammerhead is a literal hammer for a head

INTO JAPANESE

ハンマーヘッドのヘッドは、ヘッドの文字通りのハンマーです

BACK INTO ENGLISH

The head of a hammerhead is literally a hammer on the head

INTO JAPANESE

ハンマーヘッドの頭は文字通り頭のハンマーです

BACK INTO ENGLISH

The head of the hammerhead is literally a head hammer

INTO JAPANESE

ハンマーヘッドのヘッドは文字通りヘッドハンマーです

BACK INTO ENGLISH

The head of the hammerhead is literally a head hammer