Words That Rhyme With "Boathouse" :

1 syllable:

blouse, bouse, chaus, chiaus, chouse, crouse, douse, dowse, Dyaus, gauss, grouse, haus, hause, house, louse, mouse, prouse, scouse, smouse, souse, spouse, Straus, Strauss

2 syllables:

degauss, delouse