Chiefly rhymes with:
briefly, awfully, beautifully, briefly, colorfully, diffley, gruffly, hafley, heffley, hefley, medfly, muffley, peffley, powerfully, roughly, safely, safley, schlafly, stampfli, stiffly, wolfley
Chiefly sounds like:
cabal, cabell, cabello, cable, caccavale, capable, capel, capell, capella, capelle, capelli, capello, caple, capley, cappel, cappella, cappelli, cappello, cappiello, capwell, cashflow, cauble, cavalli, cavallo, cavell, cebula, cefalo, cefalu, cesspool, chaebol, chapel, chapell, chapelle, chappel, chappell, chappelle, chapple, cheaply, chipello, chipley, ciaobella, cibula, cifelli, cipolla, civil, civilly, cobble, coble, cobol, coffel, cogbill, cohesively, copley, copolla, coppel, copple, coppola, coufal, couple, coupley, coval, covel, covell, covelli, covello, coviello, covill, coville, cowbell, cubbyhole, cupola, cybill, czapla, czepiel