Pincofin or Pincoffin: How To spell?

The word Pincofin is misspelled against Pincoffin, a noun meaning "A commercial preparation of garancin, yielding fine violet tints."

Pincoffin has double "ff" is mispronounced as "f"
Remember double 'FF' in between the strings Pinco & in which should not be misspelled with single 'F'
Wrong Spelling:  Pinco-f-in 
Correct Spelling:  Pinco-ff-in 
Find more incorrect spellings of Pincoffin to spell right way.

You might be interested to know

Rufled or Ruffled?

Snufing or Snuffing?

Suflate or Sufflate?