hiss vs razz

hiss and razz both are nouns.

Word	Noun	Adjective	Verb	Adverb
hiss	Yes	No	Yes	No
razz	Yes	No	Yes	No

As nouns, hiss and razz are synonyms defined as:

Other synonyms of hiss include bird, boo, Bronx cheer, hoot, raspberry, razzing, snort.

hiss (noun)	razz (noun)
a cry or noise made to express displeasure or contempt	a cry or noise made to express displeasure or contempt
a fricative sound (especially as an expression of disapproval)

hiss (verb)	razz (verb)
make a sharp hissing sound, as if to show disapproval	harass with persistent criticism or carping
express or utter with a hiss
show displeasure, as after a performance or speech
move with a whooshing sound