• 妹いもうと

  younger sister

• 姉妹しまい

  sisters

• 義妹ぎまい

  sister-in-law (spouse's younger sister or younger brother's wife)

• 弟妹ていまい

  younger brother and sister

• 従姉妹いとこ

  cousin (female)

• 妹君いもうとぎみ

  (younger) sister

• 妹娘いもうとむすめ

  younger daughter

• 妹御いもうとご

  (another person's) younger sister

• 妹婿いもうとむこ

  the husband of one's younger sister

• 妹分いもうとぶん

  protegee, someone who one considers as a younger sister

• 令妹れいまい

  your younger sister

• 兄妹けいまい

  older brother and younger sister

• 愚妹ぐまい

  younger sister

• 実妹じつまい

  biological younger sister

• 従妹じゅうまい

  cousin (younger female)

• 小妹しょうまい

  little sister, younger sister

• 末妹まつまい

  youngest sister

• 亡妹ぼうまい

  one's deceased younger sister

• 妹さんいもうとさん

  younger sister

• 妹夫婦いもうとふうふ

  one's younger sister and her husband

• 姉妹館しまいかん

  sister museum, sister building, sister pavilion

• 姉妹校しまいこう

  sister school

• 姉妹編しまいへん

  companion (sister) volume (to), sequel (to)

• 十姉妹じゅうしまつ

  Bengalese finch, society finch (Lonchura striata var. domestica)

• 姉妹語しまいご

  sister language, related language, cognate

• 異母妹いぼまい

  half-sister (younger, different mother)

• 竿姉妹さおしまい

  women who have had sex with the same man, pole sisters

• 姉妹艦しまいかん

  sister ship

• 姉妹船しまいせん

  sister ship

• 乳姉妹ちきょうだい

  foster sister

• 姉妹群しまいぐん

  sister group, sister taxon

• 姉妹丼しまいどん

  threesome including two women who are sisters

• 棒姉妹ぼうしまい

  pogo sisters, women who have had sex with the same man

• 姉妹愛しまいあい

  sisterly love, affection between sisters

• 姉妹品しまいひん

  sister product, related product

• 姉妹都市しまいとし

  sister city, twin town

• 異父姉妹いふしまい

  half-sister (different father), half-sisters

• 兄妹喧嘩きょうだいげんか

  quarrel between siblings

• 兄弟姉妹きょうだいしまい

  brothers and sisters, siblings

• 姉妹喧嘩きょうだいげんか

  quarrel between sisters

• 兄妹交配きょうだいこうはい

  brother-sister inbreeding, sibling mating

• 姉妹会社しまいがいしゃ

  affiliated company, sister company

• 姉妹友好都市関係しまいゆうこうとしかんけい

  sister-city relationship

• 姉妹染色分体交換しまいせんしょくぶんたいこうかん

  sister chromatid exchange

• 妹いも

  darling (woman), dear, honey, my betrothed

• 妹背いもせ

  couple, husband and wife, man and wife

• 継妹ままいも

  step-sister (younger), stepsister

• 吾妹わぎも

  my love, my dear, darling

• 妹の命いものみこと

  young lady

• 吾妹子わぎもこ

  my love, my dear, darling