Boardinghouse rhymes with:
boultinghouse, clearinghouse, garlinghouse, hemminghaus, laughinghouse, packinghouse, rottinghaus, westinghouse, boultinghouse, clearinghouse, garlinghouse, hemminghaus, laughinghouse, longhouse, packinghouse, rottinghaus, westinghouse
Boardinghouse sounds like:
baritones, bartmess, bartnick, bartnicki, bartnik, barton's, bartunek, berating, birthing, boarding, boardinghouses, boardings, borden's, bortnick, brademas, braiding, breading, breathing, breeden's, breeding, britain's, britains, britannica, britons, britons', broadening, broadens, broadnax, brodnax, brooding, bruting, burdening, burdens, burdine's, burdines, burtness, burton's