The word Burowed is misspelled against Burrowed, which is past tense of "Burrow"
-->
Burrowed has double "rr" is mispronounced as "r"
Remember double 'RR' in between the strings bu & owed which should not be misspelled with single 'R'
Wrong Spelling:  bu-r-owed 
Correct Spelling:  bu-rr-owed 
Check more misspelled words of Burrowed to spell it correct.