The word Iradicate is misspelled against Irradicate, a verb meaning "To root deeply."
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Irradicate has double "rr" is mispronounced as "r"
Remember double 'RR' in between the strings i & adicate which should not be misspelled with single 'R'
Wrong Spelling:  i-r-adicate 
Correct Spelling:  i-rr-adicate 
Find more wrongly spelled words of Irradicate to spell it well.