The word Anteniform is misspelled against Antenniform, an adjective meaning "Shaped like antennae."
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Antenniform has double "nn" is mispronounced as "n"
Remember double 'NN' in between the strings ante & iform which should not be misspelled with single 'N'
Wrong Spelling:  ante-n-iform 
Correct Spelling:  ante-nn-iform 
Find more incorrect spellings of Antenniform to spell right way.