As verbs the difference between yodle and yodel
is that yodle is archaic form of lang=en while yodel is to sing (a song) in such a way that the voice fluctuates rapidly between the normal chest voice and falsetto.
As a noun yodel is
such a song.
yodle
English
Verb
(yodl)
----
yodel
English
Verb
(transitive, and, intransitive) To sing (a song) in such a way that the voice fluctuates rapidly between the normal chest voice and falsetto.