Corugator or Corrugator: How To spell?

The word Corugator is misspelled against Corrugator, a noun meaning "A muscle which contracts the skin of the forehead into wrinkles."

Corrugator has double "rr" is mispronounced as "r"
Remember double 'RR' in between the strings co & ugator which should not be misspelled with single 'R'
Wrong Spelling: co-r-ugator
Correct Spelling: co-rr-ugator
Check more misspelled words of Corrugator to spell it correct.