yodel

To sing by quickly switching between low and very high notes.

yodel in a sentence

The mountain guide yodelled across the valley, and the echo answered back.
For the talent show, Uncle Pete tried to yodel, his voice leaping from low notes to squeaky high ones.

sing, call, trill

admission: The act of admitting that something is true, often something you did wrong.
assure: To tell someone firmly that something is definitely true.
babble: To talk quickly in a way that makes no sense, or to make a bubbling sound.
banter: The friendly, playful teasing and joking between people.
bellow: To shout in a very loud, deep voice.
bicker: To argue about small, silly things.
blurt: To say something suddenly without thinking.
boast: To talk too proudly about yourself or what you own.

Plain-English guides to each test, from the councils’ own pages: Kent Test · Medway Test · Bucks Secondary Transfer Test