The word Pinulae is misspelled against Pinnulae, which is plural of "Pinnula"
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Pinnulae has double "nn" is mispronounced as "n"
Remember double 'NN' in between the strings pi & ulae which should not be misspelled with single 'N'
Wrong Spelling:  pi-n-ulae 
Correct Spelling:  pi-nn-ulae 
Check more misspelled words of Pinnulae to spell it correct.