Bolthaud or Bolthead: How To spell?

The word Bolthaud is misspelled against Bolthead, a noun meaning "A long, straight-necked, glass vessel for chemical distillations; -- called also a matrass or receiver."

Bolthead has vowels 'ea' together mispronounced as 'au'
Word contains consecutive vowels 'EA' in between alphabets bolth & d is misspelled as 'AU'
Wrong Spelling: bolth-au-d
Correct Spelling: bolth-ea-d
Check more misspelled words of Bolthead to spell it correct.