イ音便

イおんびん

euphonic change wherein some mora ('ki', 'gi', 'shi' and 'ri') are pronounced 'i'

撥音便

はつおんびん

nasal sound change (generation of the mora 'n', primarily from verb stems ending in 'i')

促音便

そくおんびん

nasal sound change (generation of geminate consonant, primarily a geminate 't' from vowel stems ending in 'i')

ウ音便

ウおんびん

euphonic change wherein some mora ('ku', 'gu', 'hi', 'bi' and 'mi') are pronounced 'u'

音便形

おんびんけい

euphonic change form

便

べん びん

flight (e.g. airline flight), trip (e.g. train trip), service

便便だらり

べんべんだらり

idly; sluggishly; aimlessly; to no purpose

全便

ぜんびん

all flights, entire fleet

便追

びんずい ビンズイ

olive-backed pipit (Anthus hodgsoni), Hodgson's tree pipit, Indian tree pipit

便座

べんざ

toilet seat

便屋

たよりや

man in charge of delivering letters and packages during the Edo period

便管

べんかん びんかん

sewer pipe

便通

べんつう

bowel movement

胎便

たいべん

first stools passed by a newborn baby, meconium

軟便

なんべん

loose or soft stool

便殿

びんでん べんでん

emperor's temporary place of sojourn

便槽

べんそう

tub used to collect feces in an outhouse

後便

こうびん

later mail, next letter

便箋

びんせん

writing paper, stationery