(formal) first-person singular pronoun: I, me

personal, private / secret

a personal or private matter / selfishness / privacy, secrecy / (women's speech, obsolete) a brother-in-law

Alternative spelling of 私達 (“we; us”)

private; mine

schedule, program, timetable

排水管: drainpipe, drainage pipe / 配水管: conduit (pipe), water pipe

dentist

drainpipe

a female given name