selective jamming vs spot jamming

selective jamming and spot jamming both are nouns.

Word	Noun	Adjective	Verb	Adverb
selective jamming	Yes	No	No	No
spot jamming	Yes	No	No	No

As nouns, selective jamming and spot jamming are synonyms defined as:

selective jamming and spot jamming: electronic jamming of a specific channel or frequency

selective jamming (noun)	spot jamming (noun)
electronic jamming of a specific channel or frequency	electronic jamming of a specific channel or frequency