口 kǒu, mouth/classifier for things with mouths (people, domestic animals, cannons, well... 牛 Niú/niú, surname Niu, ox/cow/bull/CL:條|条[tiáo],頭|头[tóu]/newton (abbr. for 牛頓|牛顿[niú dùn])... 告 gào, to say/to tell/to announce/to report/to denounce/to file a lawsuit/to sue 牿 gù, shed or pen for cattle 牜