co·e·ter·ni·ty 
(kō′ĭ-tûrnĭ-tē)
(kō′ĭ-tûrnĭ-tē)n.
Existence for eternity with another or others.
- preserver
- preset
- presettable
- preshrunk
- pre-shrunk
- preside
- presidency
- president
- president-elect
- presidential
- presidentially
- president pro tem
- president pro tempore
- President's Day
- Presidents' Day
- Presidents Day
- presidentship
- presider
- presidial
- presidiary
- presidio
- presidium
- presignify
- presoak
- pre-Socratic