--> Abirritant has double "rr" is mispronounced as "r"
Remember double 'RR' in between the strings abi & itant which should not be misspelled with single 'R'
Wrong Spelling:  abi-r-itant 
Correct Spelling:  abi-rr-itant 
Find more wrongly spelled words of Abirritant to spell it well.