Как по Английски будет взаимные

noun

A mutual building society or insurance company.

Примеры использования:

Life insurance firms are mutuals, owned by their policyholders

adjective

(of a feeling or action) experienced or done by each of two or more parties towards the other or others.

Примеры использования:

A partnership based on mutual respect and understanding

noun

An expression or function so related to another that their product is unity; the quantity obtained by dividing the number one by a given quantity.

Примеры использования:

The compressibility is the reciprocal of the bulk modulus

adjective

Given, felt, or done in return.

Примеры использования:

She was hoping for some reciprocal comment or gesture