Fada – Long Is faide – Longest
Fadharcán – A lump
Faichill – Be careful! Beware!
Fáilte – Welcome
Fáinne – Ring
Faitíos – Fear, apprehension Ar fhaitíos – For fear that, lest
Fámaire – A huge person or thing
Fánach – Wandering, straying
Fánaíocht – Wandering; following
Faochóg – Periwinkle
Faoi gheasa - To be sent wild by something
Faoileáin – Seagull
Farraige – Sea Farraige Mhór – Ocean
Fata – Potato Fataí - (Plural)
Fathach – Giant Fathaigh - (Plural)
Féach - Look ag féachaint – Looking
Fánadóir - Wanderer, vagrant
Fear – Man Fir (Plural) Fear mór - A big man
Fear an phoist – Postman
Fear an tí – Head of the household
Fearg – Anger
Fearr – Is fearr – Best
Fear siúil – A man who walks the road, tramp
Fearthainne – Rain
Féasóg – Beard
Féidir – It is possible (that)
Féile – Festival, feast day
Féin - Self
Feitheamh – Watch, look out, expectation
Feola – Meat
Fiacail – Tooth Fiacla - (Plural)
Fiáin – Wild
Fiche - Twenty Fichead
Fichiú – Twentieth
Fírinne – Truth
Flaithiúil – Generous
Fód – Turf
Fóill – Yet Go fóill
Fómhar – Autumn
Forgan – A feed of
Foscail – Open
Fothrach – Foundation
Fraoch – Heather
Fraois – Small bits of potato, turf, coal etc.
Frocht - A large amount
Fuar – Cold
Fuinneamh - Energy, spirit
Fuinneog – Window
Fuist – Hush! Be quiet!