Proto-Slavic *orьlъ

→ Belarusian арол (inherited)

→ Bulgarian орел (inherited)

→ Czech orel (inherited)

→ Kashubian òrzéł (inherited)

→ Old Church Slavonic орьлъ (inherited)

→ Lower Sorbian jerjeł (inherited)

→ Ancient Greek ὄρνεον (cognate)

→ Hittite 𒄩𒀀𒊏𒀸 (cognate)

→ Upper Sorbian worjoł (inherited)

→ Lithuanian erelis (cognate)

→ Latvian ērglis (cognate)

→ Macedonian орел (inherited)

→ Polish orzeł (inherited)

→ Polish Orlewicz (mention)

→ Polabian viŕål (inherited)

→ Old Prussian arelie (cognate)

→ Russian орёл (inherited)

→ Serbo-Croatian орао (inherited)

→ Serbo-Croatian orao (inherited)

→ Serbo-Croatian orel (inherited)

→ Slovak orol (inherited)

→ Slovene orel (inherited)

→ Albanian orr (cognate)

→ Ukrainian орел (inherited)