漱石枕流 （ソウセキチンリュウ） sore loser who stubbornly refuses to admit being wrong

盥漱 （カンソウ） washing one's hands and rinsing one's mouth

漱ぐ （ススグ） to rinse (one's mouth), to gargle

漱ぐ （くちすすぐ） to gargle, to rinse (the mouth)

嗽 （うがい） gargling, rinsing one's mouth

漱ぐ （すすぐ） to rinse (one's mouth), to gargle