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