Cantaro or Cantarro: How To spell?

The word Cantaro is misspelled against Cantarro, a noun meaning "A liquid measure in Spain, ranging from two and a half to four gallons."

Cantarro has double "rr" is mispronounced as "r"
Remember double 'RR' in between the strings canta & o which should not be misspelled with single 'R'
Wrong Spelling:  canta-r-o 
Correct Spelling:  canta-rr-o 
Find more incorrect spellings of Cantarro to spell right way.

You might be interested to know

Cirate or Cirrate?

Corection or Correction?

Coroboratory or Corroboratory?