The word Bipinated is misspelled against Bipinnated, an adjective meaning "Twice pinnate."
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Bipinnated has double "nn" is mispronounced as "n"
Remember double 'NN' in between the strings bipi & ated which should not be misspelled with single 'N'
Wrong Spelling:  bipi-n-ated 
Correct Spelling:  bipi-nn-ated 
Find more wrongly spelled words of Bipinnated to spell it well.