Let’s have a look at how to pronounce the double N (nn) sounds in Gaelic.
The double N has a broad or slender sound, depending on whether the vowel that comes before it is broad (a, o, u) or slender (e, i). The broad nn can be heard in ceann (a head):
a big head
The broad nn can also be heard in peann (a pen):
The slender nn can be heard in linn (a century):
Both broad and slender nn sounds can be heard in the phrase “fonn binn” (a sweet tune):
a sweet tune