Propinquity (noun)

The state of being close or near in space, time, or relationship; closeness or familiarity.

Origin:

Derived from the latin word 'propinquitas', meaning 'nearness'.

Examples:

1. The propinquity between the two countries made it easier for them to trade and cooperate.
2. The propinquity of their homes made it convenient for them to see each other often.
3. She felt a sense of propinquity with the other members of the group, who all shared a similar background.
4. The propinquity of their interests helped to bring them closer together.
5. The propinquity of the city center to the airport made it an attractive location for tourists.