Although now the unit of currency in Ireland is not the Punt, alas, but the Euro. When I was very young, 5 I think, I unfortunately made the mistake through not listening properly to my parents no doubt, of believing that the first letter in the name of the previous unit of Irish currency was "c"and so I used the word as such. A friendly shopkeeper in Donegal put me right. I didnt know what the other word meant at the time either.