Plumasier or Plumassier: How To spell?
The word Plumasier is misspelled against Plumassier, a noun meaning "One who prepares or deals in ornamental plumes or feathers."
Plumassier has double "ss" is mispronounced as "s"Remember double 'SS' in between the strings pluma & ier which should not be misspelled with single 'S'
Wrong Spelling:  pluma-s-ier  Correct Spelling:  pluma-ss-ier 
Check more misspelled words of Plumassier to spell it correct.