Ceris or Cerris: How To spell?
The word Ceris is misspelled against Cerris, a noun meaning "A species of oak (Quercus cerris) native in the Orient and southern Europe; -- called also bitter oak and Turkey oak."
Cerris has double "rr" is mispronounced as "r"Remember double 'RR' in between the strings ce & is which should not be misspelled with single 'R'
Wrong Spelling:  ce-r-is  Correct Spelling:  ce-rr-is 
Find more wrongly spelled words of Cerris to spell it well.