French and Gallic are the names of two languages that are spelled with six letters. German and Polish also have 6 letters.
Turkey, Brazil, Sweden, Russia, Serbia, Latvia, Greece
No European country begins with the letter Y. York is a city in England. Ypres is a city in Belgium.
Allemange Italie royaume-unie russie polonge belgique
AngolaBelizeBhutanBrazilBruneiCanadaCyprusFranceGreeceGuineaGuyanaIsraelJordanKuwaitLatviaMalawiMexicoMonacoNorwayPanamaPolandRussiaRwandaSerbiaSwedenTaiwanTurkeyTuvaluUgandaZambia
Bosnia, France, England, Greece, Latvia, Monaco, Norway, Poland, Serbia, and Sweden
Boabab
grapesorangeraisintomatopapayabananaprunescherry
There are several countries that are spelled with six letters, including Canada, Brazil, Norway, Sweden, Poland, Cyprus, and Latvia.
Assuming you mean exactly six letters - there are three English-language day names with six letters - Monday, Friday, Sunday.
walnut
rabbit has 6 letters R-A-B-B-I-T