The word Tripenate is misspelled against Tripennate, an adjective meaning "Same as Tripinnate."
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Tripennate has double "nn" is mispronounced as "n"
Remember double 'NN' in between the strings tripe & ate which should not be misspelled with single 'N'
Wrong Spelling:  tripe-n-ate 
Correct Spelling:  tripe-nn-ate 
Find more wrongly spelled words of Tripennate to spell it well.