25 Most Common Conjunctions

  1. and
  2. that
  3. but
  4. or
  5. as
  6. if
  7. when
  8. than
  9. because
  10. while
  11. where
  12. after
  13. so
  14. though
  15. since
  16. until
  17. whether
  18. before
  19. although
  20. nor
  21. like
  22. once
  23. unless
  24. now
  25. except

Adapted from: wordfrequency.info