1. exist have a presence
  2. excusatory offering or expressing apology
  3. existing having being or actuality
  4. ecosystem organisms interacting with their physical environment
  5. exhausted depleted of energy, force, or strength
  6. exhaustive performed comprehensively and completely
  7. exotic characteristic of another place or part of the world
  8. existent having existence or being or actuality
  9. existence the state or fact of being
  10. extra more than is needed, desired, or required
  11. exosphere the outermost atmospheric layer
  12. ancestor someone from whom you are descended
  13. egoistic limited to or caring only about yourself and your own needs
  14. exsert thrust or extend out
  15. resistor an electrical device that resists the flow of electrical current
  16. optimistic hopeful that the best will happen in the future
  17. excuser a person who pardons or forgives or excuses a fault or offense
  18. existential relating to or dealing with the state of being
  19. resister someone who offers opposition
  20. sexist discriminatory on the basis of gender roles

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