Mamillary or Mammillary: How To spell?
The word Mamillary is misspelled against Mammillary, an adjective meaning "Composed of convex convex concretions, somewhat resembling the breasts in form; studded with small mammiform protuberances."
Mammillary has double "mm" is mispronounced as "m"Remember double 'MM' in between the strings ma & illary which should not be misspelled with single 'M'
Wrong Spelling:  ma-m-illary  Correct Spelling:  ma-mm-illary 
Find more wrongly spelled words of Mammillary to spell it well.