Spinerule or Spinnerule: How To spell?
The word Spinerule is misspelled against Spinnerule, a noun meaning "One of the numerous small spinning tubes on the spinnerets of spiders."
Spinnerule has double "nn" is mispronounced as "n"Remember double 'NN' in between the strings spi & erule which should not be misspelled with single 'N'
Wrong Spelling:  spi-n-erule  Correct Spelling:  spi-nn-erule 
Check more misspelled words of Spinnerule to spell it correct.