Trunion or Trunnion: How To spell?

The word Trunion is misspelled against Trunnion, a noun meaning "A cylindrical projection on each side of a piece, whether gun, mortar, or howitzer, serving to support it on the cheeks of the carriage. See Illust. of Cannon."

--> Trunnion has double "nn" is mispronounced as "n"
Remember double 'NN' in between the strings tru & ion which should not be misspelled with single 'N'
Wrong Spelling:  tru-n-ion 
Correct Spelling:  tru-nn-ion 
Check more misspelled words of Trunnion to spell it correct.

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