Spineret or Spinneret: How To spell?
The word Spineret is misspelled against Spinneret, a noun meaning "One of the special jointed organs situated on the under side, and near the end, of the abdomen of spiders, by means of which they spin their webs. Most spiders have three pairs of spinnerets, but some have only two pairs. The ordinary silk line of the spider is composed of numerous smaller lines jointed after issuing from the spinnerets."
Spinneret has double "nn" is mispronounced as "n"Remember double 'NN' in between the strings spi & eret which should not be misspelled with single 'N'
Wrong Spelling:  spi-n-eret  Correct Spelling:  spi-nn-eret 
Find more wrongly spelled words of Spinneret to spell it well.