dog's breakfast vs jam

dog's breakfast and jam both are nouns.

Word	Noun	Adjective	Verb	Adverb
dog's breakfast	Yes	No	No	No
jam	Yes	No	Yes	No

As nouns, jam is a hypernym of dog's breakfast; that is, jam is a word with a broader meaning than dog's breakfast:

Other hypernyms of dog's breakfast include fix, hole, kettle of fish, mess, muddle, pickle.

dog's breakfast (noun)	jam (noun)
a poor job; a mess	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

dog's breakfast (verb)	jam (verb)
	interfere with or prevent the reception of signals
	crowd or pack to capacity
	get stuck and immobilized
	block passage through
	crush or bruise
	press tightly together or cram
	push down forcibly