Fiberboard rhymes with:
fibreboard, fibreboard, fibreboard, checkerboard, containerboard, fibreboard, fingerboard, linerboard, overboard, paperboard, plasterboard
Fiberboard sounds like:
fibreboard, firebird, freeport, frevert
fibreboard, fibreboard, fibreboard, checkerboard, containerboard, fibreboard, fingerboard, linerboard, overboard, paperboard, plasterboard
fibreboard, firebird, freeport, frevert