1 Syllablebitch, ditch, fitch, flitch, hitch, itch, niche, pitch, quitch, rich, snitch, stitch, switch, twitch, which, witch
Now you can make multisyllabic rhymes in the new rhymit app :)
2 Syllablesbackstitch, bewitch, cross-stitch, enrich, hemstitch, unstitch, whipstitch