Rhythmicaly or Rhythmically: How To spell?
The word Rhythmicaly is misspelled against Rhythmically, an adverb meaning "In a rhythmical manner."
Rhythmically has double "ll" is mispronounced as "l"Remember double 'LL' in between the strings rhythmica & y which should not be misspelled with single 'L'
Wrong Spelling:  rhythmica-l-y  Correct Spelling:  rhythmica-ll-y 
Find more wrongly spelled words of Rhythmically to spell it well.