Cuvintele terminate in: "s", "ss", "sh", "ch", "tch", "z", "x", "o", vor intercala litera "e" inaintea terminatiei "s" (care poate fi plural - in cazul substantivelor, sau desinenta pers. III singular prezent - in cazul verbelor).
Cateva exemple:
bus - buses
class - classes
brush - brushes
church - churches
match - matches
quiz - quizes
box - boxes
potato - potatoes
