There are no countries that both begin and end with the letter N.
Actionacumen attain
nyala
Lebanon
ottoman
keenkinkingpin
Actionacumen attain
Neither.
nyala
Lebanon
Nim
wearson
bean
ottoman
Countries ending with the letter N:BeninCameroonGabonJapanJordanKazakhstanLebanonLichtensteinIsle of ManPakistanReunionSaint Pierre and MiquelonSpainSudanSwedenTaiwanTajikistanTurkmenistanUzbekistanYemen
Nori a type of seaweed Nisi unless
Anden, Allen, Alden, Anton, Avery...
an on in are all 2 letter words ending in N.