jam vs crowd

jam and crowd both are nouns.

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

As nouns, crowd is a hypernym of jam; that is, crowd is a word with a broader meaning than jam:

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

Other hypernyms of jam include crowd together.

jam (noun)	crowd (noun)
deliberate radiation or reflection of electromagnetic energy for the purpose of disrupting enemy use of electronic devices or systems	a large number of things or people considered together
preserve of crushed fruit	an informal body of friends
a dense crowd of people
informal terms for a difficult situation

jam (verb)	crowd (verb)
interfere with or prevent the reception of signals	to gather together in large numbers
crowd or pack to capacity	cause to herd, drive, or crowd together
get stuck and immobilized	approach a certain age or speed
block passage through	fill or occupy to the point of overflowing
crush or bruise
press tightly together or cram
push down forcibly