--> Semiverticillate has double "ll" is mispronounced as "l"
Remember double 'LL' in between the strings semivertici & ate which should not be misspelled with single 'L'
Wrong Spelling:  semivertici-l-ate 
Correct Spelling:  semivertici-ll-ate 
Find more wrongly spelled words of Semiverticillate to spell it well.