Across
- 7. Happening every hour
- 8. Without exception; at all times
- 13. Occurring every two weeks; synonymous with biweekly
- 15. Occurring once a month
- 17. Occasionally, but not always
- 18. Occurring once a year
- 19. Not often; seldom
- 20. Now and then; from time to time
Down
- 1. Occurring every three months
- 2. Occurring every two months
- 3. Once every year
- 4. Occurring at a certain time of the year
- 5. At no time in the past or future
- 6. Occurring every day
- 9. Occurring once a week
- 10. Not often; rarely
- 11. Lasting forever; without end
- 12. For a very short time; briefly
- 14. Frequently; many times
- 16. Occurring every two weeks