Maderwort or Madderwort: How To spell?

The word Maderwort is misspelled against Madderwort, a noun meaning "A name proposed for any plant of the same natural order (Rubiaceae) as the madder."

Madderwort has double "dd" is mispronounced as "d"
Remember double 'DD' in between the strings Ma & erwort which should not be misspelled with single 'D'
Wrong Spelling:  Ma-d-erwort 
Correct Spelling:  Ma-dd-erwort 
Find more incorrect spellings of Madderwort to spell right way.

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