2 Syllablescruder, fooder, lewder, mooder, nuder, pooder, ruder, shrewder
Now you can make multisyllabic rhymes in the new rhymit app :)
3 Syllablescolluder, concluder, deluder, denuder, eluder, excluder, extruder, includer, obtruder
4 Syllablesbarracuda, interluder