kilohertz vs kilocycle

kilohertz and kilocycle both are nouns.

Word	Noun	Adjective	Verb	Adverb
kilohertz	Yes	No	No	No
kilocycle	Yes	No	No	No

As nouns, kilohertz and kilocycle are synonyms defined as:

Other synonyms of kilohertz include kc, kHz, kilocycle per second.

kilohertz (noun)	kilocycle (noun)
one thousand periods per second	one thousand periods per second