Words That Rhyme With "Trigonally" :
4 syllables:
bigamously, fictionally, visionally
5 syllables:
additionally, antiphonally, conditionally, diagonally, hexagonally, polygamously, polygonally, provisionally, traditionally, transitionally
bigamously, fictionally, visionally
additionally, antiphonally, conditionally, diagonally, hexagonally, polygamously, polygonally, provisionally, traditionally, transitionally