Grotoes or Grottoes: How To spell?
The word Grotoes is misspelled against Grottoes, which is plural of "Grotto"
Grottoes has double "tt" is mispronounced as "t"Remember double 'TT' in between the strings gro & oes which should not be misspelled with single 'T'
Wrong Spelling:  gro-t-oes  Correct Spelling:  gro-tt-oes 
Find more incorrect spellings of Grottoes to spell right way.