radio antenna vs radio aerial

radio antenna and radio aerial both are nouns.

Word	Noun	Adjective	Verb	Adverb
radio antenna	Yes	No	No	No
radio aerial	Yes	No	No	No

As nouns, radio antenna and radio aerial are synonyms defined as:

radio antenna and radio aerial: omnidirectional antenna comprising the part of a radio receiver by means of which radio signals are received

radio antenna (noun)	radio aerial (noun)
omnidirectional antenna comprising the part of a radio receiver by means of which radio signals are received	omnidirectional antenna comprising the part of a radio receiver by means of which radio signals are received