katzenjammer vs hangover

katzenjammer and hangover both are nouns.

Word	Noun	Adjective	Verb	Adverb
katzenjammer	Yes	No	No	No
hangover	Yes	No	No	No

As nouns, katzenjammer and hangover are synonyms defined as:

katzenjammer and hangover: disagreeable aftereffects from the use of drugs (especially alcohol)

katzenjammer (noun)	hangover (noun)
loud confused noise from many sources	something that has survived from the past
disagreeable aftereffects from the use of drugs (especially alcohol)	an official who remains in office after his term
	disagreeable aftereffects from the use of drugs (especially alcohol)