yodeling vs vocalizing

yodeling and vocalizing both are nouns.

Word	Noun	Adjective	Verb	Adverb
yodeling	Yes	No	No	No
vocalizing	Yes	No	No	No

As nouns, vocalizing is a hypernym of yodeling; that is, vocalizing is a word with a broader meaning than yodeling:

yodeling: singing by changing back and forth between the chest voice and a falsetto
vocalizing: the act of singing vocal music

Other hypernyms of yodeling include singing.

yodeling (noun)	vocalizing (noun)
singing by changing back and forth between the chest voice and a falsetto	the act of singing vocal music