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