Acronym of Latin Sancte Ioannes, the phrase ending the hymn Ut queant laxis from earlier words of which the other notes of solfège were derived.
si (plural sis)
- (music) A syllable used in solfège to represent the seventh note of a major scale.
Words… ending with q, starting with q, starting with qa, starting with qo, with two letters, starting with x, starting with j, ending with j,
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RHKSCEP, SWEIOW, VPFSLU, IIBU, JKY, LGBU,