Ganister or Gannister: How To spell?

The word Ganister is misspelled against Gannister, a noun meaning "A refractory material consisting of crushed or ground siliceous stone, mixed with fire clay; -- used for lining Bessemer converters; also used for macadamizing roads."

Gannister has double "nn" is mispronounced as "n"
Remember double 'NN' in between the strings ga & ister which should not be misspelled with single 'N'
Wrong Spelling:  ga-n-ister 
Correct Spelling:  ga-nn-ister 
Find more wrongly spelled words of Gannister to spell it well.

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