Kusier or Kussier: How To spell?
The word Kusier is misspelled against Kussier, a noun meaning "(Mus.) A Turkish instrument of music, with a hollow body covered with skin, over which five strings are stretched."
Kussier has double "ss" is mispronounced as "s"Remember double 'SS' in between the strings ku & ier which should not be misspelled with single 'S'
Wrong Spelling:  ku-s-ier  Correct Spelling:  ku-ss-ier 
Check more misspelled words of Kussier to spell it correct.