1. The act of adopting.

Nuttall's Standard dictionary of the English language By Nuttall, P.Austin

• adotpion,
• addation,
• adotption,
• adsortion,
• adution,
• adaiption,
• adapation,
• adobtion,
• adaptaion,
• eroption,
• aportion,
• addoptions,
• aoption,
• aodption,
• adopotion,
• admition,
• addtion,
• adaptions,
• ioption,
• adistion

• adept,
• adaptation,
• adopter,
• adapt,
• adoptee,
• adoptive,
• adopt,
• adaptative,
• adopted,
• adaptive,
• adapid.

The adjective form of the word "adoption" is "adoptive".

The plural of the "adoption" can be the "adoptions".

The singular of the "adoption" can be the "adoption".