| noun | the sterilization of an animal “they took him to the vet for neutering” |
| verb | cause to change; make different; cause a transformation “The advent of the automobile may have altered the growth pattern of the city” |
| verb | become different in some particular way, without permanently losing one's or its former characteristics or essence “her mood changes in accordance with the weather” |
| verb | make an alteration to “This dress needs to be altered” |
| verb | insert words into texts, often falsifying it thereby |
| verb | remove the ovaries of “Is your cat spayed?” |
| neuter | verb | remove the ovaries of |
| fix | verb | make infertile |
| changer | noun | a person who changes something |
| change | noun | a relational difference between states; especially between states before and after some event |
| alterable | adjective | capable of being changed or altered in some characteristic |
| alteration | noun | the act of making something different (as e.g. the size of a garment) |
| modifiable | adjective | capable of being modified in form or character or strength (especially by making less extreme); - Alexis Carrel |
| modification | noun | the act of making something different (as e.g. the size of a garment) |
| variable | adjective | marked by diversity or difference |
| variant | adjective | differing from a norm or standard |
| variation | noun | something a little different from others of the same type |
| variant | noun | something a little different from others of the same type |
| interpolation | noun | a message (spoken or written) that is introduced or inserted |
| falsification | noun | a willful perversion of facts |
| falsifier | noun | someone who falsifies |
| spaying | noun | neutering a female by removing the ovaries |
| castration | noun | surgical removal of the testes or ovaries (usually to inhibit hormone secretion in cases of breast cancer in women or prostate cancer in men) |
| neutering | noun | the sterilization of an animal |
| neuter | noun | a gender that refers chiefly (but not exclusively) to inanimate objects (neither masculine nor feminine) |