barrage jamming vs jamming

barrage jamming and jamming both are nouns.

Word	Noun	Adjective	Verb	Adverb
barrage jamming	Yes	No	No	No
jamming	Yes	No	No	No

As nouns, jamming is a hypernym of barrage jamming; that is, jamming is a word with a broader meaning than barrage jamming:

barrage jamming: electronic jamming over a wide range of frequencies simultaneously
jamming: deliberate radiation or reflection of electromagnetic energy for the purpose of disrupting enemy use of electronic devices or systems

Other hypernyms of barrage jamming include electronic jamming, jam.

barrage jamming (noun)	jamming (noun)
electronic jamming over a wide range of frequencies simultaneously	deliberate radiation or reflection of electromagnetic energy for the purpose of disrupting enemy use of electronic devices or systems