The fada is the Irish accent mark.
It changes a short vowel to a long vowel.
There is only one accent maerk in Irish and it is called the Fada.
It changes the sounds of vowels. That changes the meaning of words.
Here are pairs of vowels / words
with and without accents and their meanings.
The trickiest vowel is 'a' as it has three different sounds.
Remember g is always a hard sound (not j)
C is always a hard sound (like k, not s)