Ethiopia: noun: Ethiopian(s)
adjective: Ethiopian
Falkland Islands (Islas Malvinas): noun: Falkland Islander(s)
adjective: Falkland Island
Faroe Islands: noun: Faroese (singular and plural)
adjective: Faroese
Fiji: noun: Fijian(s)
adjective: Fijian
Finland: noun: Finn(s)
adjective: Finnish