(informal) bye-bye

(informal) leave-taking, saying goodbye

(informal) to take one's leave, to say goodbye

grandmother

(familiar or childish, diminutive) title affixed to people's names: -chan / title affixed to animals

(informal, possibly dialect) one's own father / (by later extension) the head or master of an establishment such as a teahouse, boathouse, etc.

(teen girl's slang) Alternative spelling of ちゃん (chan)

(teen girl's slang) Alternative spelling of ちゃん (chan)

(term of endearment) mum, mommy

(familiar, term of address) (one's own) elder brother / (familiar or informal) boy; lad; chap