The word Pectoraly is misspelled against Pectorally, an adverb meaning "As connected with the breast."
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Pectorally has double "ll" is mispronounced as "l"
Remember double 'LL' in between the strings pectora & y which should not be misspelled with single 'L'
Wrong Spelling:  pectora-l-y 
Correct Spelling:  pectora-ll-y 
Find more incorrect spellings of Pectorally to spell right way.