assonantly

From assonant +‎ -ly.

assonantly (comparative more assonantly, superlative most assonantly)

1. In an assonant manner.
   • 1867, “The sonnets of Milton”, in The British Controversialist and Literary Magazine, page 69:

     Of rhymes in the fourteen lines there ought to be, if possible, four only, and not more than five used, though some of our poets, with Shakspere at their head, employ six, and even seven assonantly distributed closing sounds, a wide departure from the "Petrarchan Stanza."