síofrógach

Irish

From síofróg (“elf-woman, fairy; enchantress”) +‎ -ach.

síofrógach (genitive singular masculine síofrógaigh, genitive singular feminine síofrógaí, plural síofrógacha, comparative síofrógaí)

Declension of síofrógach

Positive	Masculine	Feminine	(strong noun)	(weak noun)
	Singular		Plural (m/f)
Nominative	síofrógach	shíofrógach	síofrógacha; shíofrógacha²
Vocative	shíofrógaigh	shíofrógach	síofrógacha
Genitive	shíofrógaigh	síofrógaí	síofrógacha	síofrógach
Dative	síofrógach; shíofrógach¹	shíofrógach; shíofrógaigh (archaic)	síofrógacha; shíofrógacha²
Comparative	níos síofrógaí
Superlative	is síofrógaí

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
síofrógach	shíofrógach after an, tsíofrógach	not applicable
Note: Some of these forms may be hypothetical. Not every possible mutated form of every word actually occurs.