Verticilus or Verticillus: How To spell?

The word Verticilus is misspelled against Verticillus, a noun meaning "A whorl; a verticil."

Verticillus has double "ll" is mispronounced as "l"
Remember double 'LL' in between the strings vertici & us which should not be misspelled with single 'L'
Wrong Spelling:  vertici-l-us 
Correct Spelling:  vertici-ll-us 
Check more misspelled words of Verticillus to spell it correct.