peiriadach

Irish

From peiriad (“period”) +‎ -ach.

peiriadach (genitive singular masculine peiriadaigh, genitive singular feminine peiriadaí, plural peiriadacha, comparative peiriadaí)

Declension of peiriadach

Positive	Masculine	Feminine	(strong noun)	(weak noun)
	Singular		Plural (m/f)
Nominative	peiriadach	pheiriadach	peiriadacha; pheiriadacha²
Vocative	pheiriadaigh	pheiriadach	peiriadacha
Genitive	pheiriadaigh	peiriadaí	peiriadacha	peiriadach
Dative	peiriadach; pheiriadach¹	pheiriadach; pheiriadaigh (archaic)	peiriadacha; pheiriadacha²
Comparative	níos peiriadaí
Superlative	is peiriadaí

¹ When the preceding noun is lenited and governed by the definite article.
² When the preceding noun ends in a slender consonant.

Irish mutation
Radical	Lenition	Eclipsis
peiriadach	pheiriadach	bpeiriadach
Note: Some of these forms may be hypothetical. Not every possible mutated form of every word actually occurs.