Rookstool rhymes with:
agrifuel, blackpool, carpool, cesspool, claypool, claypoole, dromgoole, highschool, liverpool, minuscule, molecule, overrule, ridicule, saccule, texpool, vanderpool, vestibule, whirlpool
Rookstool sounds like:
ragsdale, recital, rectal, reichstuhl, reschedule, resdel, resettle, residual, restyle, rhizoidal, riccitelli, rightly, rigidly, ruggedly, rustle