YODEL is validvalid

to sing with a fluctuating voice [v YODELED, YODELING, YODELLED, YODELLING, YODELS] : YODELER [n]

14,801 of 196,601 in NWL2023·also valid in CSW24

(German) to sing with a fluctuating voice, also JODEL, YODLE [v YODELLED or YODELED, YODELLING or YODELING, YODELS]