おとうとotoutoていteiおとotoおととototo
1.

A male sibling who is younger than oneself, typically sharing the same parents and often implying a bond characterized by care or mentorship from the elder sibling.

2.

A term denoting a male who is part of the same family unit but is younger in age, which can also extend to refer to younger male relatives like a brother-in-law or even the younger counterpart in a sibling relationship.

3.

A respectful term for calling or addressing another's younger brother, highlighting familial relationships and social dynamics within sibling hierarchies.

4.

A comparison term indicating the status of being younger among siblings, often associated with cultural connotations of youthfulness and innocence, which might evoke protective or nurturing instincts from older siblings.

Example:

彼は私とを取り違えた。

きょうだい兄弟kyoudaiけいてい兄弟keitei
1.

A relationship between individuals who share at least one biological or legal parent, encompassing all types of siblings including brothers, sisters, half-siblings, and stepsiblings.

2.

A term expressing a bond or connection among males who feel a sense of camaraderie or closeness, often used in informal settings.

3.

A designation for individuals who are connected through shared upbringing, whether by blood or law, which may include both traditional and non-traditional family structures.

4.

A more formal or archaic term used to refer to brothers and sisters, reflecting a historical or cultural context.

5.

A label applied to individuals who have formed a brotherly bond through mutual agreements or commitments, similar to that of biological siblings.

Example:

ライト兄弟はエンジンで動く飛行機を飛ばすことに成功した。

でし弟子deshiていし弟子teishi
1.

A person who receives guidance and training from a master or teacher in a specific field, dedicating themselves to learning and improving their skills or knowledge under their tutelage.

2.

An individual who formally commits to studying under a particular mentor, often in the context of arts, crafts, or spiritual practices, representing a close relationship with the teacher.

3.

A learner or apprentice who is part of a lineage or tradition, acknowledging a teacher's authority and teachings while striving to master their craft or discipline.

4.

A younger or less experienced individual who is actively engaged in learning from a more knowledgeable or skilled person, often viewed as someone who inherits knowledge or skills from their mentor.

Example:

イエスも、また弟子たちも、その婚礼に招かれた。

してい姉弟shiteiきょうだい姉弟kyoudai
1.

A familial relationship referring to an older sister and her younger brother, highlighting the dynamic between them.

2.

A term that signifies the bond and interactions typically found between an older sibling and a younger sibling, specifically an older sister and a younger brother.

いとこ従兄弟itokoじゅうけいてい従兄弟juukeitei
1.

A male relative who is the child of one’s parents' siblings, typically classified within the broader category of cousins, which includes both male and female variants.

2.

The specific term used to refer to a male cousin, distinguishing him from female cousins, and can further be specified by age and generational differences.

3.

An individual with whom one shares a familial connection through one’s father or mother’s siblings, specifically identifying him as male in contrast to female cousins known as 従姉妹.

Example:

私には弁護士のいとこがいる。