radio frequency vs frequence

radio frequency and frequence both are nouns.

Word	Noun	Adjective	Verb	Adverb
radio frequency	Yes	No	No	No
frequence	Yes	No	No	No

As nouns, frequence is a hypernym of radio frequency; that is, frequence is a word with a broader meaning than radio frequency:

radio frequency: an electromagnetic wave frequency between audio and infrared
frequence: the number of occurrences within a given time period

Other hypernyms of radio frequency include frequency, oftenness.

radio frequency (noun)	frequence (noun)
an electromagnetic wave frequency between audio and infrared	the number of occurrences within a given time period