The word Pufin is misspelled against Puffin, a noun meaning "A sort of apple."
-->
Puffin has double "ff" is mispronounced as "f"
Remember double 'FF' in between the strings Pu & in which should not be misspelled with single 'F'
Wrong Spelling:  Pu-f-in 
Correct Spelling:  Pu-ff-in 
Check more misspelled words of Puffin to spell it correct.