Longitudinaly or Longitudinally: How To spell?
The word Longitudinaly is misspelled against Longitudinally, an adverb meaning "In the direction of length."
Longitudinally has double "ll" is mispronounced as "l"Remember double 'LL' in between the strings longitudina & y which should not be misspelled with single 'L'
Wrong Spelling:  longitudina-l-y  Correct Spelling:  longitudina-ll-y 
Check more misspelled words of Longitudinally to spell it correct.