Mastering Italian Nouns: From Singular to Plural

Mastering grammar rules, particularly those related to nouns, is an important element of learning Italian. Knowing how to form the plural of Italian nouns, in particular, is important for communicating effectively in the language.

Making mistakes with plural nouns is one of the classic signs that you don’t fully master the Italian language.

Do you know how to use Italian singular and plural? Test what you know with interactive exercises and read the explanation to help you.

Try this exercise to test your grammar.

Take a look at these pictures and words. What are your thoughts?

LIBRO IMastering Italian Nouns: From Singular to Plural

LIBRO

LIBRi Mastering Italian Nouns: From Singular to Plural

LIBRI

casa Mastering Italian Nouns: From Singular to Plural

CASA

case Mastering Italian Nouns: From Singular to Plural

CASE

penna Mastering Italian Nouns: From Singular to Plural

PENNA

penne Mastering Italian Nouns: From Singular to Plural

PENNE

YES!

Most nouns in Italian become plural by changing their endings: to express a change in number. You usually do it by changing the ending from one vowel to another:

💡 For regular masculine nouns that end in –o,- as in GATTO and LIBRO – the ending changes to –i  – as in GATTI and LIBRI –  in the plural.

💡 For regular feminine nouns that end in –a,as in CASA and PENNA – the ending changes to –e  – as in CASE and PENNE –  in the plural.

… but this is not the end of the story for plurals:

nave Mastering Italian Nouns: From Singular to Plural

NAVE

navi Mastering Italian Nouns: From Singular to Plural

NAVI

Some nouns end in –e. – as pesce and nave: the plural forms of these nouns will end in –i (regardless of gender).

pesce Mastering Italian Nouns: From Singular to Plural

PESCE

pesci Mastering Italian Nouns: From Singular to Plural

PESCI

So the rules are:

There are many exceptions to these rules but the rules for the three main types of invariable nouns follow:

MASCULINE nouns

Singular: -o -e


libro

pesce

Plural: – i


libri

pesci

singular nouns ending in O become ➠ I in the plural
singular nouns ending in E become ➠ I in the plural

FEMININE nouns

Singular: -a -e


casa

nave

Plural: -e -i


case

navi

singular nouns ending in A become ➠ E in the plural
singular nouns ending in E become ➠ I in the plural

Learn the Exceptions to Plural Nouns in Italian to Speak More Confidently

There are some irregular plural forms that you’ll need to learn as well. For example, some nouns that end in “-co” or “-go” change the “c” or “g” to “ch” or “gh” in the plural.

For example, the singular noun “amico” (friend) becomes “amici” in the plural, while the singular noun “mago” (magician) becomes “maghi” in the plural.

Nouns ending in a different way for Italian Nouns Singular to Plural

Another important thing to keep in mind is that some nouns don’t change at all in the plural. These are known as “invariable nouns” and they include words like “auto” (car), “papà” (dad), and “caffè” (coffee). These nouns are the same in both the singular and plural forms.

1. Nouns that end in an accented final vowel, such as caffè and città, are invariable.
2. Nouns that end in a consonant, such as bar and film are invariable.
3. Nouns that are abbreviations, such as moto, bici, radio and cinema are invariable.

Masculine singular nouns with the feminine plural form

Masculine SINGULARFeminine PLURAL
DItoDita
GinocchioGinocchia
LabbroLabbra

Ala and Arma even if they are feminine nouns, they form the plural with -i
Ali – Armi.
L’ala ➜ le ali
L’arma ➜ le armi

To make things even more complicated, some nouns have different meanings in the singular and plural forms. For example, the singular noun

braccio” means braccio del corpo umano,

while the plural noun

bracci” means bracci di un fiume, della croce

Memorize those rules and practise applying them: Learning how to form the plural of Italian nouns takes time and practice, but it’s an essential part of mastering the language.

By understanding the basic rules and memorizing some of the common irregularities, you’ll be well on your way to speaking Italian fluently and confidently.

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Do this exercise to test your grammar again.

What’s next?

You might want to keep learning Italian online with these free resources:

🔗 How to avoid Mistakes using Italian articles IL and LO

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