Boutoniere or Boutonniere: How To spell?

The word Boutoniere is misspelled against Boutonniere, a noun meaning "A bouquet worn in a buttonhole."

Boutonniere has double "nn" is mispronounced as "n"
Remember double 'NN' in between the strings bouto & iere which should not be misspelled with single 'N'
Wrong Spelling: bouto-n-iere
Correct Spelling: bouto-nn-iere
Check more misspelled words of Boutonniere to spell it correct.