Plurals Set 2- The Other Rules

Words ending in‘consonant + y’ – take off ‘y,’
add 'ies’

baby = babies           
try = tries                  
diary = diaries

Words ending in ‘f’or ‘fe’ – change to ‘ves’

dwarf = dwarves
wife = wives
thief = thieves

Some words change completely

man = men               
mouse = mice          
die = dice

Some words do not change at all

deer = deer               
sheep = sheep

1. calf
2. calves
3. life
4. lives
5. diary
6. diaries
7. man
8. men
9. deer
10. sheep
11. knife
12. knives
13. loaf
14. loaves
15. library

16. libraries
17. mouse
18. mice
19. party
20.parties
21. grief
22. grieves
23. thief
24. thieves
25. biography
26. biographies
27. reindeer
28. trousers
29. criterion
30. criteria