Immemorialy or Immemorially: How To spell?

The word Immemorialy is misspelled against Immemorially, an adverb meaning "Beyond memory."

--> Immemorially has double "ll" is mispronounced as "l"
Remember double 'LL' in between the strings immemoria & y which should not be misspelled with single 'L'
Wrong Spelling:  immemoria-l-y 
Correct Spelling:  immemoria-ll-y 
Find more incorrect spellings of Immemorially to spell right way.

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