sampling frequency vs frequence

sampling frequency and frequence both are nouns.

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

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

sampling frequency: (telecommunication) the frequency of sampling a continuously varying signal
frequence: the number of occurrences within a given time period

Other hypernyms of sampling frequency include frequency, oftenness.

sampling frequency (noun)	frequence (noun)
(telecommunication) the frequency of sampling a continuously varying signal	the number of occurrences within a given time period