死人: (obsolete) a dead person, the dead

鶏肉: chicken (meat)

馬乳: mare's milk

乱りに: haphazardly; randomly

苦塩: bittern: the liquor remaining after halite (common salt) has been harvested from saline water (brine), used as a coagulating agent in the manufacture of tofu

鬼事: tag (game)

肉交: sexual intercourse / 肉羹: meat broth

so much, like that, so

(idiomatic) to be dependable, to be helpful

認知度: degree of recognition or awareness of something, how much one recognizes or acknowledges something