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Plurals of Nouns Ending in Consonants and O

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Plurals of Nouns Ending in Consonants and O
To form the plural of most nouns that end in a consonant and "o", just add "s."
Singular Form Plural Form
ego egos
piano pianos
Plurals of Nouns Ending in Consonants and O
Exceptions to Rule
  1. For some nouns that end in a consonant and "o," the plural is formed by adding "es."

    echoes, heroes, tomatoes, potatoes, torpedoes

  2. For other nouns that end in a consonant and "o," the plural may be formed by adding either "s" or "es."

    bravos/bravoes, zeros/zeroes, flamingos/flamingoes, cargos/cargoes, hobos/hoboes
Plurals of Nouns Ending in Consonants and O
Music-Related Terms
In most cases, if a noun ends in a consonant and "o" and it is related to music, just an "s" is needed to form the plural.
solos, pianos, contraltos, altos, cellos, sopranos
Shortened Words
A few long words have been shortened and end in a consonant and "o." These words simply need an "s" to form the plural.
photographs - photos
demonstrations - demos
expositions - expos
Plurals of Nouns Ending in Consonants and O
Click on the misspelled word.
Question 1 of 8
"Piano" is a music-related term ending in a consonant and "o." Add "s" to form the plural.
"Taboo" does not end in a consonant and "o." The plural was formed by adding "s." Try again.
"Solo" is a music-related term ending in a consonant and "o." The plural was formed by adding "s." Try again.
"Silo" ends in a consonant and "o." The plural was formed by adding "s." Try again.
These are the singular forms: piano, solo, taboo, silo.
Plurals of Nouns Ending in Consonants and O
Click on the misspelled word.
Question 2 of 8
"Banjo" is a music-related term ending in a consonant and "o." The plural was formed by adding either "s" or "es." Try again.
"Shoe" does not end in "o." The plural was formed by adding "s." Try again.
"Mayor" does not end in "o." The plural was formed by adding "s." Try again.
"Alto" is a music-related term ending in a consonant and "o." Add "s" to form the plural.
These are the singular forms: banjo, shoe, alto, mayor.
Plurals of Nouns Ending in Consonants and O
Click on the misspelled word.
Question 3 of 8
The plural of "hobo" may be formed by adding either "s" or "es." Try again.
The plural of "flamingo" may be formed by adding either "s" or "es." Try again.
"Demo" is a shortened form of the noun "demonstration." Add "s" to form the plural.
The plural of "zero" may be formed by adding either "s" or "es." Try again.
Add "s" to form the plural of nouns that have been shortened and end in a consonant and "o."
Plurals of Nouns Ending in Consonants and O
Click on the misspelled word.
Question 4 of 8
"Soprano" is a music-related term ending in a consonant and "o." The plural was formed by adding "s." Try again.
"Piano" is a music-related term ending in a consonant and "o." The plural was formed by adding "s." Try again.
"Cello" is a music-related term ending in a consonant and "o." Add "s" to form the plural.
"Contralto" is a music-related term ending in a consonant and "o." The plural was formed by adding "s." Try again.
These are the singular forms of the musical terms: cello, contralto, soprano, piano.
Plurals of Nouns Ending in Consonants and O
Click on the misspelled word.
Question 5 of 8
"Potato" is an exception to the rule. The plural was formed by adding "es." Try again.
"Photo" is a shortened form of the noun "photograph." The plural was formed by adding "s." Try again.
"Hero" is an exception to the rule. The plural was formed by adding "es." Try again.
"Echo" is an exception to the rule. Add "es" to form the plural.
Add "es" to form the plural of some nouns that end in a consonant and "o."
Plurals of Nouns Ending in Consonants and O
Click on the misspelled word.
Question 6 of 8
"Zoo" does not end in a consonant and "o." The plural was formed by adding "s." Try again.
The plural of "mosquito" may be formed by adding either "s" or "es." Try again.
"Hose" does not end in "o." The plural was formed by adding "s." Try again.
"Auto" is a shortened form of the noun "automobile." Add "s" to form the plural.
Add "s" to form the plural of nouns that have been shortened and end in a consonant and "o."
Plurals of Nouns Ending in Consonants and O
Click on the misspelled word.
Question 7 of 8
"Nose" does not end in "o." The plural was formed by adding "s." Try again.
"Toe" does not end in "o." The plural was formed by adding "s." Try again.
The plural of "volcano" may be formed by adding either "s" or "es." Try again.
"Taco" ends in a consonant and "o." Add "s" to form the plural.
These are the singular forms: taco, nose, volcano, toe.
Plurals of Nouns Ending in Consonants and O
Click on the misspelled word.
Question 8 of 8
"Igloo" does not end in a consonant and "o." The plural was formed by adding "s." Try again.
"Foe" does not end in "o." The plural was formed by adding "s." Try again.
"Tomato" is an exception to the rule. Add "es" to form the plural.
The plural of "bravo" may be formed by adding either "s" or "es." Try again.
Add "es" to form the plural of some nouns that end in a consonant and "o."
Plurals of Nouns Ending in Consonants and O