jam vs disrupt

jam is a noun but disrupt is not a noun.

Word	Noun	Adjective	Verb	Adverb
jam	Yes	No	Yes	No
disrupt	No	No	Yes	No

As verbs, disrupt is a hypernym of jam; that is, disrupt is a word with a broader meaning than jam:

Other hypernyms of jam include break up, cut off, interrupt.

jam (noun)	disrupt (noun)
deliberate radiation or reflection of electromagnetic energy for the purpose of disrupting enemy use of electronic devices or systems
preserve of crushed fruit
a dense crowd of people
informal terms for a difficult situation

jam (verb)	disrupt (verb)
interfere with or prevent the reception of signals	interfere in someone else's activity
crowd or pack to capacity	throw into disorder
get stuck and immobilized	make a break in
block passage through
crush or bruise
press tightly together or cram
push down forcibly