kilocycle vs kilocycle per second

kilocycle and kilocycle per second both are nouns.

Word	Noun	Adjective	Verb	Adverb
kilocycle	Yes	No	No	No
kilocycle per second	Yes	No	No	No

As nouns, kilocycle and kilocycle per second are synonyms defined as:

Other synonyms of kilocycle include kc, kHz, kilohertz.

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