Lapilation or Lapillation: How To spell?
The word Lapilation is misspelled against Lapillation, a noun meaning "The state of being, or the act of making, stony."
Lapillation has double "ll" is mispronounced as "l"Remember double 'LL' in between the strings lapi & ation which should not be misspelled with single 'L'
Wrong Spelling:  lapi-l-ation  Correct Spelling:  lapi-ll-ation 
Find more incorrect spellings of Lapillation to spell right way.