Blankly rhymes with:
blankley, blankley, blankley, frankly, binkley, blankley, brinkley, brinkly, bunkley, dunkley, finkley, frankly, hinckley, hinkley, pinkley, winkley
Blankly sounds like:
bilingual, billingslea, billingsley, billingsly, blankley, bullwinkle, bulwinkle