razzing vs yell

razzing and yell both are nouns.

Word	Noun	Adjective	Verb	Adverb
razzing	Yes	No	No	No
yell	Yes	No	Yes	No

As nouns, yell is a hypernym of razzing; that is, yell is a word with a broader meaning than razzing:

Other hypernyms of razzing include call, cry, outcry, shout, vociferation.

razzing (noun)	yell (noun)
a cry or noise made to express displeasure or contempt	a loud utterance; often in protest or opposition
	a loud utterance of emotion (especially when inarticulate)

razzing (verb)	yell (verb)
	utter or declare in a very loud voice
	utter a sudden loud cry