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Rat in Irish (Francach): Meaning, Pronunciation, Usage

‘francach’ also means: French

The Irish for rat is francach, a masculine noun (plural francaigh).
Updated October 2026Report a mistake

How to say “rat” in Irish

Irish:
francach
English:
rat
Word type:
noun
Gender:
masculine, first declension
Pronunciation:
“FRANG-kukh”  /ˈfˠɾˠaŋkəx/
Various forms
Plural:
francaigh (rats)
Genitive singular:
francaigh, an fhrancaigh (e.g. eireaball an fhrancaigh, the rat's tail)
Genitive plural:
francach, na bhfrancach (e.g. nead na bhfrancach, the rats' nest)

What does “francach” mean?

rat
A rodent larger than a mouse, with a long tail, often found near houses, farms and drains.Also: brown rat, rodent, sewer rat.
Other entries for “francach”

The same spelling has its own page as:

“Francach” with the article

The plural of rat in Irish is francaigh. Here is francach after the article (an t-alt), in the singular and the plural.

an francach
the rat
No change after an
na francaigh
the rats
Plural: no change after na

“Francach” in a sentence: Irish examples

Common Irish sentences using francach, the Irish word for rat.

Chonaic mé francach mór sa scioból.
I saw a big rat in the barn.
Rith an francach isteach faoin urlár.
The rat ran in under the floor.
Tá francaigh sa chlós arís.
There are rats in the yard again.
Leag an feirmeoir nimh do na francaigh.
The farmer put down poison for the rats.
Bhí boladh francach ar fud na cistine.
There was a smell of rats all over the kitchen.
Mharaigh an cat francach aréir.
The cat killed a rat last night.
Tá eagla an domhain uirthi roimh fhrancaigh.
She is terrified of rats.

Other nouns in Irish

More everyday Irish nouns to learn next.

Rat in Irish: frequently asked questions

What is the Irish for rat?

The Irish for rat is francach (pronounced “FRANG-kukh”). It’s a masculine noun and the plural is francaigh.

How do you pronounce francach in Irish?

Francach is said like “FRANG-kukh” (IPA /ˈfˠɾˠaŋkəx/).

What is the plural of rat in Irish?

The plural of francach is francaigh; with the article, na francaigh means “the rats”. The genitive plural is francach, as in nead na bhfrancach (the rats' nest).

Does francach have more than one meaning?

Francach also has its own entry as an adjective meaning French.

Why does francach change to fhrancach or bhfrancach?

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

Does 'francach' also mean a French person?

Yes, with a capital letter 'Francach' means a Frenchman, while lowercase 'francach' is a rat. The French language is 'Fraincis'.

What is the difference between 'francach' and 'luch'?

'Luch' is a mouse, a small rodent, while 'francach' is the larger rat.

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