神髄, 真髄: (figurative): The spirit or soul of something: its essence, its true quality. / 心髄: The marrow or core of something. / 神瑞: A good omen.

処女: A maiden, a virgin. / 初叙: The first time that one is given a court rank or honor. / 庶女: A female commoner. / 沮洳: A bog, a wetland; being boggy due to bad drainage; (slang, rare) jail or prison.

初年: The first year that something is begun; the early years of a period. / 所念: What one thinks, one's thoughts. / 初念: One's first thought or decision. / 諸念: Various thoughts.

falling over one after another, falling like dominoes, going like ninepins / a stampede resulting in injury / standing up shogi pieces in a line and knocking them over

recovery, rally / rewind

促進: promotion / 測深: depth sounding

促進: promote, encourage / 測深: measure depth

悲しみ: sadness, grief

雑種: hybrid; mixed breed, mongrel, mutt (as in the case of a dog) / 雑酒: miscellaneous alcohol

海豹: an earless seal, a true seal (the mammal), a member of family Phocidae