Arrowroot rhymes with:
bitterroot, breadfruit, grapefruit, absolute, attribute, bandicoot, bitterroot, breadfruit, constitute, convolute, countersuit, crapshoot, destitute, electrocute, execute, grapefruit, institute, jumpsuit, lawsuit, malamute, offshoot, overshoot, pantsuit, parachute, persecute, prosecute, prostitute, reconstitute, resolute, restitute, spacesuit, substitute, sweatsuit, swimsuit, telecommute, wetsuit, wintermute
Arrowroot sounds like:
aarti, ahart, aird, aired, airhart, airhead, airworthy, aorta, ararat, arata, ard, arda, ardath, ardith, ardito, arehart, areta, aretha, aretta, arid, arida, arrayed, arrieta, arriortua, arrowhead, arrowood, arruda, art, arth, artie, arty, arwood, award, awarded