The word Shalow is misspelled against Shallow, meaning "little depth not earnest"
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Shallow has double "ll" is mispronounced as "l"
Remember double 'LL' in between the strings sha & ow which should not be misspelled with single 'L'
Wrong Spelling:  sha-l-ow 
Correct Spelling:  sha-ll-ow 
Find more incorrect spellings of Shallow to spell right way.