Irregular Plurals
Mouse
Mice
Truck
Trucks
colony
colonies (Words ending in a consonant + -y: Drop the -y and add -ies (e.g., baby → babies). If the -y follows a vowel, just add -s (e.g., toy → toys).
zero
zeros (Often add -es (e.g., potato → potatoes), but words with a vowel before the -o or musical terms just add -s (e.g., radio → radios, piano → pianos).
Leaf
Leaves Change the -f or -fe to -ves (e.g., leaf → leaves, knife → knives)
Goose
Geese
friend
friends
boy
boys
Zoo
Zoos Often add -es (e.g., potato → potatoes), but words with a vowel before the -o or musical terms just add -s (e.g., radio → radios, piano → pianos).
Knife
Knives (Change the -f or -fe to -ves (e.g., leaf → leaves, knife → knives)
Person
People
Kiss
Kisses Words ending in -s, -ss, -sh, -ch, -x, or -z: Add -es (e.g., bus → buses, box → boxes, church → churches). )
enemy
enemies (Words ending in a consonant + -y: Drop the -y and add -ies (e.g., baby → babies). If the -y follows a vowel, just add -s (e.g., toy → toys).
Piano
Pianos (Often add -es (e.g., potato → potatoes), but words with a vowel before the -o or musical terms just add -s (e.g., radio → radios, piano → pianos).
Half
Halves (Change the -f or -fe to -ves (e.g., leaf → leaves, knife → knives)
Deer
Deer
Witch
Witches (Words ending in -s, -ss, -sh, -ch, -x, or -z: Add -es (e.g., bus → buses, box → boxes, church → churches).
country
countries (Words ending in a consonant + -y: Drop the -y and add -ies (e.g., baby → babies). If the -y follows a vowel, just add -s (e.g., toy → toys).
Hero
Heroes (Often add -es (e.g., potato → potatoes), but words with a vowel before the -o or musical terms just add -s (e.g., radio → radios, piano → pianos).
Roof
Rooves (Change the -f or -fe to -ves (e.g., leaf → leaves, knife → knives)
Fish
Fish if you are talking about the same kind of fish in common everyday language
Fishes if you are talking about different types of species all together.
Wash
Washes (Words ending in -s, -ss, -sh, -ch, -x, or -z: Add -es (e.g., bus → buses, box → boxes, church → churches).
Fly
Flies
Radio
Radios
Elf
Elves