哀楽[airaku] grief and pleasure
愛楽[aigyou] seeking after (Buddhist teachings, etc.)
安楽[anraku] ease
安楽死[anrakushi] euthanasia
悦楽[etsuraku] enjoyment

音楽[ongaku] music
音楽の素質[ongakunososhitsu] aptitude for music
音楽会[ongakukai] concert
音楽史[ongakushi] music history
音楽大学[ongakudaigaku] College of Music

印章[inshou] stamp
階級章[kaikyuushou] rank insignia
楽章[gakushou] (musical) movement
徽章[kishou] medal
旧章[kyuushou] ancient laws

勲章[kunshou] decoration
憲章[kenshou] charter
肩章[kenshou] shoulder strap
周章てる[awateru] to become confused (disconcerted, disorganized, disorganised)
校章[koushou] school badge