YOU SAID:

My home has a tree which is small but not smaller than the tree house outside the world

INTO JAPANESE

私の家には小さな木がありますが、外の木の家よりも小さくはありません

BACK INTO ENGLISH

There is a small tree in my house, but it is not smaller than the tree house outside.

INTO JAPANESE

私の家には小さな木がありますが、外の木の家よりも小さくありません。

BACK INTO ENGLISH

There is a small tree in my house, but it is not smaller than the tree house outside.