According to the CIA factbook listing of current countries there are none.
Niger is a country that starts with the letter "N" and ends with the letter "r".
norm
morgan
It could be multiplication.
moron, melon.
Afghanistan ends with the letter n. Azerbaijan also ends with the letter n.
Nigeria ^^
maturation
moron, minion, mammon, man, mean, mission
Monsoon.
a word that starts with k and ends in n is known
No country begins with N and ends with N.