Earthman
Part of speech: noun
Definition: A male inhabitant of Earth.
Earthling
Part of speech: noun
Definition: An inhabitant of the planet Earth (Generally in science fiction aliens who use the term Earthling look down on the people of earth.)
Earthman as a noun is a male inhabitant of earth. while Earthling as a noun is an inhabitant of the planet earth (generally in science fiction aliens who use the term earthling look down on the people of earth.)
Part of speech: noun
Definition: A male inhabitant of Earth.
Part of speech: noun
Definition: An inhabitant of the planet Earth (Generally in science fiction aliens who use the term Earthling look down on the people of earth.)
We hope you now know whether to use Earthman or Earthling in your sentence.