YOU SAID:

Siamese twins come from Siam, so conjoined twins come from Conjoined.

INTO JAPANESE

サイアムの双子はサイアムから来ているので、結合された双子は共謀から来る。

BACK INTO ENGLISH

Since Siam's twins are from Siam, the combined twins come from collusion.

INTO JAPANESE

サイアムの双子はサイアム出身なので、双子は結託されています。

BACK INTO ENGLISH

Since Siam's twins are from Siam, the twins are collaborated.

INTO JAPANESE

サイアムの双子はサイアム出身ですから、双子は協力しています。

BACK INTO ENGLISH

Since Siam's twins are from Siam, the twins are cooperating.

INTO JAPANESE

双子が寝てから

BACK INTO ENGLISH

After the twins are asleep.

INTO JAPANESE

双子が寝てから

BACK INTO ENGLISH

After the twins are asleep.