子守唄[komoriuta] lullaby
舟唄[funauta] sailor's song
鼻唄[hanauta] humming
鼻唄[hanauta] humming
唄う[utau] to sing

長唄[nagauta] long epic song with shamisen accompaniment (developed in Edo in the early 17th century)
組み唄[kumiuta] var. of folksong
小唄[kouta] ballad
地唄[jiuta] (style of) folk song

お生憎様[oainikusama] that's too bad (ironical)
御誕生日おめでとうございます[otanjoubiomedetougozaimasu] Happy Birthday
隣の芝生は青い[tonarinoshibafuhaaoi] the grass is always greener on the other side
生きがいい[ikigaii] fresh (e.g. fish)
コンピューター援用生産[konpyuutaaenyouseisan] computer-aided manufacture

委託生[itakusei] scholarship student sent by government office or business
生す[nasu] to build up
異常発生[ijouhassei] plague
医学生[igakusei] medical student
医学生物学[igakuseibutsugaku] medical biology