恋い佗びる[koiwabiru] to be lovesick
佗びる[wabiru] to be worried
佗歌[wabiuta] sad song
佗言[wabigoto] sad words
佗び寝[wabine] lonesome sleep

佗人[wabibito] lonesome person
佗声[wabigoe] sad voice
待ち佗びる[machiwabiru] to be tired of waiting
佗び[wabi] the beauty to be found in poverty and simplicity
佗しい[wabishii] miserable

哀歌[aika] lament (song)
愛唱歌[aishouka] (one's) favourite song
詠歌[eika] poem (esp. tanka)
艶歌[enka] enka
応援歌[ouenka] rooters' song

歌い合う[utaiau] to sing responsively
歌い上げる[utaiageru] to sing at the top of one's voice
歌詠み[utayomi] tanka composer
歌会[utakai] poetry party or competition