Spere or Sperre: How To spell?
The word Spere is misspelled against Sperre, a verb meaning "To shut in; to support; to inclose; to fasten."
Sperre has double "rr" is mispronounced as "r"Remember double 'RR' in between the strings spe & e which should not be misspelled with single 'R'
Wrong Spelling:  spe-r-e  Correct Spelling:  spe-rr-e 
Explore spell check of Sperre to spell without errors.