The word Sublitoral is misspelled against Sublittoral, an adjective meaning "Under the shore."
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Sublittoral has double "tt" is mispronounced as "t"
Remember double 'TT' in between the strings subli & oral which should not be misspelled with single 'T'
Wrong Spelling:  subli-t-oral 
Correct Spelling:  subli-tt-oral 
Check more misspelled words of Sublittoral to spell it correct.