Irish

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Irish cardinal numbers
 <  14 15 16  > 
    Cardinal : cúig déag
    Ordinal : cúigiú déag
    Personal : cúigear déag

Pronunciation

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Numeral

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cúig déag

  1. fifteen
    cúig mhéadar déagfifteen meters

Usage notes

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When used to modify a noun, cúig triggers lenition of a following consonant-initial noun in the singular, but not one in the plural; déag follows the noun.

The form aon deich a cúig was prescribed by Peadar Ua Laoghaire in the 1920s, but it is unclear whether it has ever been used by native speakers.

Mutation

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Irish mutation
Radical Lenition Eclipsis
cúig déag chúig déag gcúig déag
Note: Some of these forms may be hypothetical. Not every possible mutated form of every word actually occurs.