Words That Rhyme With "Extendedly" :

3 syllables:

boundedly, candidly, credibly, fetidly, gelidly, handedly, mindedly, readily, splendidly, wretchedly

4 syllables:

adventively, ascendingly, authentically, bullheadedly, clearheadedly, confessedly, confoundedly, dementedly, forehandedly, highhandedly, hotheadedly, identically, incredibly, intendedly, intrepidly, inventively, lamentedly, presentively, stiffneckedly, unboundedly, unendingly

5 syllables:

absentmindedly, condescendingly, singlehandedly, underhandedly, unrelentingly