brouhaha vs katzenjammer

brouhaha and katzenjammer both are nouns.

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

As nouns, brouhaha and katzenjammer are synonyms defined as:

Other synonyms of brouhaha include hubbub, uproar.

brouhaha (noun)	katzenjammer (noun)
a confused disturbance far greater than its cause merits	loud confused noise from many sources
loud confused noise from many sources	disagreeable aftereffects from the use of drugs (especially alcohol)