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