The word Tarock is misspelled against Tarrock, a noun meaning "The common guillemot."
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Tarrock has double "rr" is mispronounced as "r"
Remember double 'RR' in between the strings ta & ock which should not be misspelled with single 'R'
Wrong Spelling:  ta-r-ock 
Correct Spelling:  ta-rr-ock 
Find more incorrect spellings of Tarrock to spell right way.