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