厭世悲観者[enseihikansha] pessimist
慈悲[jihi] compassion (e.g. of Buddha)
慈悲心[jihishin] benevolence
嘆き悲しむ[nagekikanashimu] to grieve and moan
悲しい[kanashii] sad

悲しむ[kanashimu] to be sad
悲哀[hiai] sorrow
悲運[hiun] sad fate
悲歌慷慨[hikakougai] indignant lamentation over the evils of the times
悲観[hikan] pessimism

陰惨[insan] sadness and gloom
惨い[mugoi] cruel
惨め[mijime] miserable
惨禍[sanka] calamity
惨害[sangai] heavy damage

惨劇[sangeki] tragedy
惨殺[zansatsu] slaughter
惨死[zanshi] tragic death
惨事[sanji] disaster
惨状[sanjou] disastrous scene