遺体【いたい】
(dead) body, corpse, remains
遺産【いさん】
inheritance, bequest, legacy, heritage
遺伝子【いでんし】
gene, genetic
遺言【ゆいごん】
will, testament, last request, dying wish
遺跡【いせき】
(archeological) remains, ruins, relics
遺族【いぞく】
bereaved family, surviving family, family of the deceased
遺書【いしょ】
note left by a dead person, suicide note, testamentary letter, will, testament, posthumous work
遺憾【いかん】
regrettable, unsatisfactory, deplorable, lamentable
遺伝【いでん】
heredity, (genetic) inheritance
遺骨【いこつ】
cremated remains (esp. the bones), ashes, remains (of war dead)
後遺症【こういしょう】
prognostic symptoms, after-effect, sequela
遺棄【いき】
abandonment, desertion
遺児【いじ】
orphan, child left by the deceased, abandoned child
遺志【いし】
wishes of a deceased person, dying wish
遺恨【いこん】
grudge, ill will, enmity
遺品【いひん】
things left (to one) by the deceased, inherited item, estate, memento, keepsake, lost item, lost property
文化遺産【ぶんかいさん】
cultural heritage
遺物【いぶつ】
relic, remains, memento
遺影【いえい】
portrait of a deceased person
遺構【いこう】
(archaeological) remains, remnants (of ancient structures), ancient foundation