Words That Rhyme With "Rectangular" :

3 syllables:

angular, annular, cannular, dangler, granular, haggler, mangler, saccular, scapular, singular, ungular, wranglers

4 syllables:

hexangular, nonsingular, octangular, oracular, penannular, pentangular, piacular, spiracular, subscapular, transannular, triangular, vernacular

5 syllables:

birectangular, equiangular, interscapular, multiangular, tabernacular