The word Osteocomas is misspelled against Osteocommas, which is plural of "Osteocomma"
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Osteocommas has double "mm" is mispronounced as "m"
Remember double 'MM' in between the strings osteoco & as which should not be misspelled with single 'M'
Wrong Spelling:  osteoco-m-as 
Correct Spelling:  osteoco-mm-as 
Find more incorrect spellings of Osteocommas to spell right way.