josh vs razz

josh is not a noun while razz is a noun.

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

As verbs, razz is a hypernym of josh; that is, razz is a word with a broader meaning than josh:

Other hypernyms of josh include bait, cod, rag, rally, ride, tantalise, tantalize, taunt, tease, twit.

josh (noun)	razz (noun)
	a cry or noise made to express displeasure or contempt

josh (verb)	razz (verb)
be silly or tease one another	harass with persistent criticism or carping