Henotanic or Hennotannic: How To spell?

The word Henotanic is misspelled against Hennotannic, an adjective meaning "Pertaining to, or designating, a brown resinous substance resembling tannin, and extracted from the henna plant; as, hennotannic acid."

Hennotannic has double "nn" is mispronounced as "n"
Remember double 'NN' in between the strings he & ota which should not be misspelled with single 'N'
Wrong Spelling:  he-n-ota 
Correct Spelling:  he-nn-ota 
Find more incorrect spellings of Hennotannic to spell right way.

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