Renet or Rennet: How To spell?
The word Renet is misspelled against Rennet, a noun meaning "A name of many different kinds of apples. Cf. Reinette."
Rennet has double "nn" is mispronounced as "n"Remember double 'NN' in between the strings re & et which should not be misspelled with single 'N'
Wrong Spelling:  re-n-et  Correct Spelling:  re-nn-et 
Explore spell check of Rennet to spell without errors.