jam vs contuse

jam is a noun but contuse is not a noun.

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

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

Other hypernyms of jam include bruise.

jam (noun)	contuse (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)	contuse (verb)
interfere with or prevent the reception of signals	injure the underlying soft tissue or bone of
crowd or pack to capacity
get stuck and immobilized
block passage through
crush or bruise
press tightly together or cram
push down forcibly