Mark (given name) / (computing) Mach kernel

to mark, to put a mark (on something) / to set a record (to achieve or note the most extreme example of some variable, such as the highest score in a sport)

(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

兄ちゃん: (familiar form for) elder brother; boy, lad, son

fine residence, shop, store; (ghost character)