antielectron vs positron

antielectron and positron both are nouns.

Word	Noun	Adjective	Verb	Adverb
antielectron	Yes	No	No	No
positron	Yes	No	No	No

As nouns, antielectron and positron are synonyms defined as:

antielectron and positron: an elementary particle with positive charge; interaction of a positron and an electron results in annihilation

antielectron (noun)	positron (noun)
an elementary particle with positive charge; interaction of a positron and an electron results in annihilation	an elementary particle with positive charge; interaction of a positron and an electron results in annihilation