Language change is the term used to describe the process by which languages change over time.

Changes in the environment are not a common cause of language change.

Language shift is the term used to describe the process by which one language replaces another.

Semantic changes are not a common type of language change.

Neologism is the term used to describe the process by which new words are created.

Eponyms are not a common type of neologism.

Semantic change is the term used to describe the process by which words change their meaning over time.

Euphemism is not a common type of semantic change.

Borrowing is the term used to describe the process by which languages borrow words from other languages.

Cognates are not a common type of borrowing.

Language contact is the term used to describe the process by which two languages influence each other.

Pidginization is not a common type of language contact.

Creole is the term used to describe a language that has developed from a pidgin.

Creoles do not typically have a limited vocabulary.

Language death is the term used to describe the process by which a language dies out.

Natural disasters are not a common cause of language death.

Language revival is the term used to describe the process by which a language is revived.

Forcing people to speak the language is not a common method of language revival.