Undereckon or Underreckon: How To spell?

The word Undereckon is misspelled against Underreckon, a verb meaning "To reckon below what is right or proper; to underrate."

Underreckon has double "rr" is mispronounced as "r"
Remember double 'RR' in between the strings unde & eckon which should not be misspelled with single 'R'
Wrong Spelling:  unde-r-eckon 
Correct Spelling:  unde-rr-eckon 
Find more incorrect spellings of Underreckon to spell right way.

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