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