The Indefinite Article
- na - In front of a singular feminine noun that begins with a consonant
- nu - In front of a singular masculine noun that begins with a consonant
- n' - In front of (any) singular noun that begins with a vowel
The Definite Article
- 'a - In front of a feminine noun that begins with a consonant
- 'o - In front of a masculine or neuter noun that begins with a consonant.
With neuter nouns, the following consonant is doubled
- 'e - In front of (any) plural noun that begins with a consonant. Feminine nouns double the consonant.
- If the word is feminine, the first letter must be doubled
- In the case of masculine nouns the doubling may occur also, in front of the consonants: z-, b-, br-, v-, and g-.
- ll' or l' - In front of a noun, masculine or feminine, singular or plural, that begins with a vowel
Prepositions (proper): a, 'a, cu, d' / 'e, pe, tra, nfino a, addu. In Neapolitan there are very few articulated prepositions, in particular:
- â = a + 'a (Italian, alla) = to the
- ê = a + 'e (Italian, ai, agli, alle) = to the
- ô = a + 'o (Italian, al, allo) = to the
In all other cases preposition and article are indicated separately.