Corugating or Corrugating: How To spell?
The word Corugating is misspelled against Corrugating, which is present continuous of "Corrugate"
Corrugating has double "rr" is mispronounced as "r"Remember double 'RR' in between the strings co & ugating which should not be misspelled with single 'R'
Wrong Spelling:  co-r-ugating  Correct Spelling:  co-rr-ugating 
Check more misspelled words of Corrugating to spell it correct.