1) Alien, to a Martian 2) An inhabitant of the earth 3) Denizen 4) Dweller 5) Earthman 6) Electronic music group 7) Exclusively Anglo word 8) Exclusively Saxon word 9) Indweller 10) Inhabitant 11) Inhabitant of this planet 12) Martian address 13) Science fiction theme 14) Tellurian 15) Word with Anglo-Saxon origins Found on https://www.crosswordclues.com/clue/earthling
Earth'ling noun [ Earth + - ling .] An inhabitant of the earth; a mortal. « Earthlings oft her deemed a deity.» Drummond. Found on http://www.encyclo.co.uk/webster/E/3