I can find no Irish word "tuit". The closest would be "túitín" which means 'a dour, sullen, person" or "boor".
Irish Gaelic: cara ('Standard') or caraid (Galway) Scots Gaelic: caraidIn Irish it's "cara"; in Scottish Gaelic "caraid".
County Galway is Contae na Gaillimhe; the city is Gaillimh.
In the Irish, leabhar [l'yowr in Kerry & Galway; l'yór in Donegal]In Scottish Gaelic, leabhar [l'yór]
Irish: seanathair/athair mór, "daideo" (Scots) Gaelic: Manx: Welsh: Breton: Cornish:
Irish Gaelic is just called Irish in Ireland; it's the same thing.
Irish "Gaelic": arrachtach; torathar; ollphéist; ollmhór (Scottish) Gaelic: uilebheist. Irish Gaelic is called simply "Irish" in Ireland; in Scotland "Gaelic" refers to Scottish Gaelic
In Irish (Gaelic) it is póirín. In (Scottish) Gaelic it is .....
It can be called Irish, Gaelic or Gaeilge.
The Gaelic League is called "Conradh na Gaeilge" in Irish Gaelic.
In Irish it's called 'puimcín'. In (Scottish) Gaelic: ???
Be aware that 'Gaelic' is actually two separate languages: Scottish Gaelic (called 'Gaelic' in Scotland) and Irish Gaelic (called 'Irish' in Ireland).In Irish: gadhar rua or madra rua (the latter can also mean 'fox')In (Scottish) Gaelic: cu ruadh.
In English it is referred to as Gaelic (or Scottish Gaelic), a language related to, but distinct from, Irish (or Irish Gaelic).It is called Gàidhlig in Scottish Gaelic; pronounced 'gallic'.