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

哀悼[aitou] condolence
戦没者追悼記念日[senbotsushatsuitoukinenbi] Memorial Day (US)
追悼[tsuitou] mourning (dead persons)
追悼会[tsuitoukai] memorial services
追悼式[tsuitoushiki] memorial services

悼む[itamu] to grieve over
悼辞[touji] funeral address
死を悼む[shiwoitamu] to mourn over the death of
戦没者追悼式[senbotsushatsuitoushiki] memorial service for the war dead
哀悼痛惜[aitoutsuuseki] condolence