へいたい兵隊heitai
1.

A member of the military, specifically an individual soldier serving within an army unit, often at a lower rank.

2.

A collective group of soldiers organized under a command structure in a military context.

3.

An individual who is primarily utilized for labor or service within a specific societal group, often with limited autonomy.

Example:

その市はやがて兵隊によって占領された。

かいへいたい海兵隊kaiheitai
1.

A specialized military unit within the Navy that is trained for amphibious operations and ground combat, often involved in securing beachheads and engaging in various combat scenarios.

2.

An independent branch of the Navy dedicated to missions such as amphibious assaults and airborne operations, focusing on rapid deployment and versatility in diverse combat environments.

3.

A tactical force that operates under the Navy, primarily responsible for executing operations that combine naval and land warfare, including seizing territory from adversaries during coastal engagements.

Example:

スミスさんが「海兵隊は必要ない」と言いました。

きへいたい騎兵隊kiheitai
1.

A military unit that fights on horseback, historically used for rapid movement and shock tactics in battle.

2.

An organized group of soldiers who are trained to engage in combat from horseback, often serving as a crucial component of an army's strategy.

3.

A specialized branch of the armed forces characterized by its use of horses for mobility and the advantages they provide in warfare.

4.

A term that indicates a historical military formation that significantly impacted battle tactics and warfare dynamics in various cultures.

けんぺいたい憲兵隊kenpeitai
1.

A specialized unit within the military responsible for maintaining discipline and enforcing laws among military personnel.

2.

A branch of the armed forces tasked with security, order, and law enforcement duties, often in a combat zone.

3.

A police force operating within military structures that handles criminal activities, investigations, and support for military operations.

へいたい兵隊heitaiアリari
1.

A type of ant primarily tasked with defense and protection of the colony, known for its larger size and aggressive behavior compared to other members of the colony.

2.

An ant that participates in foraging and territorial disputes, often recognized for its role in maintaining the safety and organization of the ant community.

3.

A member of an ant species characterized by a specialized role in the hierarchy, particularly focused on guarding the nest and ensuring the survival of the collective.