The word Anular is misspelled against Annular, an adjective meaning "Banded or marked with circles."
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Annular has double "nn" is mispronounced as "n"
Remember double 'NN' in between the strings a & ular which should not be misspelled with single 'N'
Wrong Spelling:  a-n-ular 
Correct Spelling:  a-nn-ular 
Check more misspelled words of Annular to spell it correct.