radio aerial vs radio antenna

radio aerial and radio antenna both are nouns.

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

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

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

radio aerial (noun)	radio antenna (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