In Book 2, 1, nouns ending with "sh, CH, s, X" become plural. 2, nouns ending with consonant + y become plural all-out!

In Book 2, 1, nouns ending with "sh, CH, s, X" become plural. 2, nouns ending with consonant + y become plural all-out!

baby-babies
fish-fishes
watch-watches
glass-giasses
box-boxes