1 Syllableblush, brush, crush, flush, gush, hush, lush, mush, plush, rush, shush, slush
Now you can make multisyllabic rhymes in the new rhymit app :)
2 Syllablesablush, bulrush, hairbrush, hush-hush, hushhush, inrush, onrush, paintbrush
3 Syllablessagebrush, underbrush