Hypocorism

/hˌaɪpəʊkˈɔːɹɪzəm/

/hˌaɪpoʊkˈoːɹɪzəm/

Hypocorism

a word-formation process in which a word or name is modified to create a shorter, affectionate, or informal version, often used to express familiarity, endearment, or intimacy

synonyms : pet name

Examples

1. It’s what’s known as a hypocorism, a term of endearment.