personal letter

English Thesaurus

1. a letter dealing with personal affairs (noun.communication)

hypernym	:	letter, missive,
definition	:	a written message addressed to a person or organization (noun.communication)

hyponym	:	billet, line, note, short letter,
definition	:	a short personal letter (noun.communication)

hyponym	:	billet doux, love letter,
definition	:	a personal letter to a loved one expressing affection (noun.communication)