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Strong plural in Irish (Tréaniolra): Meaning, Pronunciation, Usage

The Irish for strong plural is tréaniolra, a masculine noun (plural tréaniolraí).
Updated October 2026Report a mistake

How to say “strong plural” in Irish

Irish:
tréaniolra
English:
strong plural
Word type:
noun
Gender:
masculine
Pronunciation:
“TRAYN-ul-ruh”  /ˈtʲɾʲeːnʲˌʊl̪ˠɾˠə/
Various forms
Plural:
tréaniolraí (strong plurals)
Genitive singular:
tréaniolra, an tréaniolra (e.g. riail an tréaniolra, the rule of the strong plural)
Genitive plural:
tréaniolraí, na dtréaniolraí (e.g. foirmeacha na dtréaniolraí, the forms of the strong plurals)

What does “tréaniolra” mean?

strong plural
In Irish grammar, a plural form that keeps the same form in the genitive plural as in the nominative plural, such as 'tithe' or 'cathaoireacha'.Also: strong plural form, plural.

“Tréaniolra” with the article

The plural of strong plural in Irish is tréaniolraí. Here is tréaniolra after the article (an t-alt), in the singular and the plural.

an tréaniolra
the strong plural
No change after an
na tréaniolraí
the strong plurals
Plural: no change after na

“Tréaniolra” in a sentence: Irish examples

Common Irish sentences using tréaniolra, the Irish word for strong plural.

Is tréaniolra é 'tithe'.
'Tithe' is a strong plural.
Ní athraíonn an tréaniolra sa tuiseal ginideach.
The strong plural does not change in the genitive case.
Mhínigh an múinteoir riail an tréaniolra dúinn.
The teacher explained the strong plural rule to us.
Tá go leor tréaniolraí sa liosta seo.
There are lots of strong plurals in this list.
Bhí botún agam i dtréaniolra amháin.
I made a mistake with one strong plural.
Cuir na tréaniolraí sa cholún ar chlé.
Put the strong plurals in the left column.
Is tréaniolra é a chríochnaíonn ar '-acha'.
It is a strong plural ending in '-acha'.

Other nouns in Irish

More everyday Irish nouns to learn next.

Strong plural in Irish: frequently asked questions

What is the Irish for strong plural?

The Irish for strong plural is tréaniolra (pronounced “TRAYN-ul-ruh”). It’s a masculine noun and the plural is tréaniolraí.

How do you pronounce tréaniolra in Irish?

Tréaniolra is said like “TRAYN-ul-ruh” (IPA /ˈtʲɾʲeːnʲˌʊl̪ˠɾˠə/).

What is the plural of strong plural in Irish?

The plural of tréaniolra is tréaniolraí; with the article, na tréaniolraí means “the strong plurals”. The genitive plural is tréaniolraí, as in foirmeacha na dtréaniolraí (the forms of the strong plurals).

Why does tréaniolra change to thréaniolra or dtréaniolra?

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

What is the difference between 'tréaniolra' and 'lagiolra'?

A 'tréaniolra' keeps the same form in the genitive plural (na dtithe), while a 'lagiolra' reverts to a form like the nominative singular (na n-éan).

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