Stersmate or Steersmate: How To spell?
The word Stersmate is misspelled against Steersmate, a noun meaning "One who steers; steersman."
Steersmate has double "ee" is mispronounced as "e"Remember double 'EE' in between the strings St & rsmate which should not be misspelled with single 'E'
Wrong Spelling:  St-e-rsmate  Correct Spelling:  St-ee-rsmate 
Explore spell check of Steersmate to spell without errors.