The word Armilas is misspelled against Armillas, which is plural of "Armilla"
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Armillas has double "ll" is mispronounced as "l"
Remember double 'LL' in between the strings armi & as which should not be misspelled with single 'L'
Wrong Spelling:  armi-l-as 
Correct Spelling:  armi-ll-as 
Find more wrongly spelled words of Armillas to spell it well.