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vocational
vocational guidance
vocational school
vocationalism
vocative
vociferate
vociferous
vocoder
vodka
vodkatini
vodoun
voe
vog
vogue (1)
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vocal tic
vo·cal tic (plural vo·cal tics)


noun 
Definition:
 
involuntary noise or shout: a sudden noise or shout produced involuntarily, especially as a symptom of Tourette's syndrome or a similar neurological condition
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