-es

ch, when pronounced as /tʃ/: glitch→glitches (but psych→psychs)

j: hajj→hajjes (j is only final in loan words raj, hajj)

s: bus→buses, Jones → Joneses; waltz → waltzes; yes → yeses.

x: box→boxes; crux → cruces

z: buzz → buzzes

sh: ash→ashes

Used to form the regular plural of nouns that end in a consonant (or qu) + y

Used for form the plural of some nouns that end in a consonant + o

Used to form the regular plural of nouns that end in /sp/, /st/, /sk/