How many letters does the top answer for “a song sung by yodeling, as by the swiss mountaineers.” have?

The most common answer is yodel (5 letters).

Crossword clue: a song sung by yodeling, as by the swiss mountaineers.

2 answers found in Letterora's clue database (Wikidata facts, Open Trivia DB, WordNet and Webster definitions — all licensed sources).

yodel 5 letters web-def

a songlike cry in which the voice fluctuates rapidly between the normal voice and falsetto

yodle 5 letters web-def

To sing in a manner common among the Swiss and Tyrolese mountaineers, by suddenly changing from the head voice, or false