positron vs antielectron

positron and antielectron both are nouns.

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

As nouns, positron and antielectron are synonyms defined as:

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

positron (noun)	antielectron (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