YOU SAID:

This book has a lot of word inside it.

INTO JAPANESE

この本にはたくさんの言葉が入っている。

BACK INTO ENGLISH

There are a lot of words in this book.

INTO JAPANESE

この本にはたくさんの言葉があります。

BACK INTO ENGLISH

There are many words in this book.

INTO JAPANESE

この本にはたくさんの言葉がある。

BACK INTO ENGLISH

There are many words in this book.