ねえnee
1.

A term referring to a woman who is older than oneself and shares the same parents, often used in familial contexts to denote an elder sister.

2.

A respectful title used to address or refer to an older female, indicating her seniority or status among peers.

3.

A designation for a brother's wife, or for an older female sibling of one's husband or wife, encompassing both biological and step-sibling relationships.

Example:

「あ、は、はい・・・ごめん、玲姉」「コラ。幾ら親戚とはいえ、私は先輩医師よ?院内ではちゃんとケジメをつけなさい」

あねaneあねane
1.

A female sibling who is older than oneself, typically sharing the same parents. This term also encompasses the concept of a sister-in-law in a broader sense.

2.

A term used to show respect towards a female peer or an older woman, often placed after her name to convey honorifics.

3.

Refers to an older female sibling in a familial context, distinguishing her from a younger sister, and can also imply a relationship to a brother's wife or an elder female relative.

Example:

は私のズボンにアイロンをかけてくれる。

しまい姉妹shimaiきょうだい姉妹kyoudai
1.

Refers to a female sibling, specifically the relationship between an older sister and a younger sister within a family structure.

2.

Describes two or more entities that share similarities or are equivalent in nature or function, often used in contexts such as organizations, products, or cultural institutions that have common origins or purposes.

3.

Represents the concept of sisterhood not strictly in familial terms, but also in expressions of affinity, solidarity, or partnership between two or more items or groups.

Example:

彼の姉妹は二人とも美人です。

oねえneeちゃんchan
1.

A term used by younger siblings to refer affectionately to an older sister, conveying warmth and familiarity in their relationship.

2.

A familial title expressing respect and affection, often used among close family members to signify a protective and caring older sister figure.

3.

A casual and endearing way for children or younger relatives to address their older sister, highlighting the bond and closeness of their relationship.

4.

A playful expression that young people use to invoke a sense of nostalgia and connection with an older sister, often implying a role of guidance and support.

Example:

私はお姉ちゃんの夕飯をラップに包んでしまわないと。

oねえneeさんsanoねえneeさんsan
1.

A respectful term for one's elder sister, used to address or refer to her in a polite manner, often indicating a close familial bond.

2.

A term used to refer to young women in a friendly or casual way, conveying a sense of familiarity and affection.

3.

A conventional way to address a waitress or a female staff member in establishments like inns or restaurants, indicating a degree of politeness.

4.

A term that older siblings use when referring to themselves in relation to their younger siblings, showcasing a sense of care or mentorship.

Example:

あなたのお姉さんは審美感があるね。