Djibouti
noun: Djiboutian(s)
adjective: Djiboutian

Dominica
noun: Dominican(s)
adjective: Dominican

Dominican Republic
noun: Dominican(s)
adjective: Dominican

East Timor
noun: Timorese
adjective: Timorese

Ecuador
noun: Ecuadorian(s)
adjective: Ecuadorian

Egypt
noun: Egyptian(s)
adjective: Egyptian

El Salvador
noun: Salvadoran(s)
adjective: Salvadoran

Equatorial Guinea
noun: Equatorial Guinean(s) or Equatoguinean(s)
adjective: Equatorial Guinean or Equatoguinean

Eritrea
noun: Eritrean(s)
adjective: Eritrean

Estonia
noun: Estonian(s)
adjective: Estonian