Words Ending in Y

There is one key rule for these words and that is: if the word ends in ‘y’ remove the‘y’ and replace with an ‘i.’ This applies to all words that add the suffixes,‘ness’ ‘er’ ‘est’ ‘ed’ ‘ly.’ 

There are two key exceptions to this:
1. If adding ‘-ing,’ the ‘y’ remains. E.g. supply --> supplying.
2. If adding‘-ed’ and there is a vowel before the ‘y’ just add ‘–ed.’ E.g. carry --> carried; play --> played.

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1. happily
2. lazily
3. hungrily 
4. prettier
5. heavier
6. emptier
7. replied
8. tried
9. trial
10. trying
11. happiest
12. laziest
13. hungriest
14. prettily
15. heavily

16. replying
17. carrying
18. marrying
19. varying
20. supplying
21. happier
22. laziness
23. hungrier
24. emptiest
25. allying
26. supplier
27. carrier
28. marriage
29. variation
30. carriage