Convalaria or Convallaria: How To spell?

The word Convalaria is misspelled against Convallaria, a noun meaning "The lily of the valley."

Convallaria has double "ll" is mispronounced as "l"
Remember double 'LL' in between the strings conva & aria which should not be misspelled with single 'L'
Wrong Spelling:  conva-l-aria 
Correct Spelling:  conva-ll-aria 
Find more incorrect spellings of Convallaria to spell right way.