Concentricaly or Concentrically: How To spell?
The word Concentricaly is misspelled against Concentrically, an adverb meaning "In a concentric manner."
Concentrically has double "ll" is mispronounced as "l"Remember double 'LL' in between the strings concentrica & y which should not be misspelled with single 'L'
Wrong Spelling:  concentrica-l-y  Correct Spelling:  concentrica-ll-y 
Find more incorrect spellings of Concentrically to spell right way.