Preceptres or Preceptress: How To spell?
The word Preceptres is misspelled against Preceptress, a noun meaning "A woman who is the principal of a school; a female teacher."
Preceptress has double 'ss' in the end mispronounced as 's'Remember double 'SS' appears in the end of this word which should not be misspelled with single 'S'
Wrong Spelling:  preceptre-s  Correct Spelling:  preceptre-ss 
Explore spell check of Preceptress to spell without errors.