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