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Caries in Irish (Cáiréas): Meaning, Pronunciation, Usage

The Irish for caries is cáiréas, a masculine noun.
Updated October 2026Report a mistake

How to say “caries” in Irish

Irish:
cáiréas
English:
caries
Word type:
noun
Gender:
masculine, first declension
Pronunciation:
“KAW-ir-ays”  /ˈkɑːɾʲeːsˠ/
Various forms
Genitive singular:
cáiréis, an cháiréis (e.g. cosc cáiréis, prevention of caries)

What does “cáiréas” mean?

caries
Decay of a tooth or bone, especially tooth decay.Also: tooth decay, dental caries, decay.

“Cáiréas” with the article

Here is cáiréas after the article (an t-alt).

an cáiréas
the caries
No change after an

“Cáiréas” in a sentence: Irish examples

Common Irish sentences using cáiréas, the Irish word for caries.

Is galar coitianta fiacla é cáiréas.
Caries is a common dental disease.
Cuireann siúcra le cáiréas sna fiacla.
Sugar contributes to tooth decay.
Fuair an fiaclóir cáiréas i m'fhiacail.
The dentist found decay in my tooth.
Cuidíonn fluairíd le cosc cáiréis.
Fluoride helps prevent caries.
Bhí an cáiréas go dona sa chúlfhiacail.
The decay was bad in the back tooth.
Is féidir cáiréas a sheachaint le scuabadh rialta.
Caries can be avoided with regular brushing.
Tá leibhéal an cháiréis ag titim i measc páistí.
The level of caries is falling among children.

Other nouns in Irish

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Caries in Irish: frequently asked questions

What is the Irish for caries?

The Irish for caries is cáiréas (pronounced “KAW-ir-ays”). It’s a masculine noun.

How do you pronounce cáiréas in Irish?

Cáiréas is said like “KAW-ir-ays” (IPA /ˈkɑːɾʲeːsˠ/).

Does cáiréas have a plural?

No plural form is given for cáiréas in the standard. Many abstract and mass nouns in Irish have no plural.

Why does cáiréas change to cháiréas or gcáiréas?

Irish changes the start of some words after certain words. After mo (my) cáiréas becomes mo cháiréas (lenition), and after ár (our) or i (in) it becomes ár gcáiréas (eclipsis).

Is there a more everyday word than cáiréas for tooth decay?

Yes, in everyday speech people often say lobhadh fiacla, while cáiréas is the technical medical term.

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