coir
Definitions (by source)
[N. 14] crime, offence 1268.
Duanaire Mhéig Uidhir: The poembook of Cú Chonnacht Mág Uidhir, Lord of Fermanagh 1566-1589. Editor: David Greene. Translator: David Greene.
f., sin; coir bháis, ‘deadly sin,’ 3495; gen. –e, 985; pl. –e, 751, 4059; -the, 5338; dat. –thibh, 3308
Trí Bior-Ghaoithe an Bháis: The Three Shafts of Death. Editor: Osborn Bergin.