There are 16 countries that start and end with the same letter. The countries are:
America
Australia,Argentina,etc.
There are two countries that start with the letter "A" and end with the letter "N": Azerbaijan and Afghanistan.
nazbazan in pakistan
There are two countries that start with the letter "A" but do not end with it: Afghanistan and Azerbaijan.
There are no countries that begin and end with the letter n.
Some longer than average words that start and end with the same letter are:straightforwardnessexperiencemilitarismmulticulturalismexterminatesuperfluousnesscatastrophicarachnophobiacharacteristicdecaffeinateddisenfranchisedexcommunicategrandstandinggroundbreakinglackadaisicalnationalizationnewspaperwomanproprietorshipspontaneousnesstranscendentalisttranscriptionist
Afghanistan and Azerbaijan are countries. They begin with the letter A and end with a letter other than A.
redderarmadacosmicdemanddeniedgazinggapinggaminglethalrenterrockerstatustalentwillowyearly
Qatar is the only country that begins with the letter Q.
Twilight
Countries that end with the letter y:GermanyHungaryItalyNorwayParaguayTurkeyUruguay
There are zero countries that end in the letter 'w'. Interestingly enough, there are also no countries that start with a 'w'.