Doebstruent or Deobstruent: How To spell?

The word Doebstruent is misspelled against Deobstruent, a noun meaning "A medicine which removes obstructions; an aperient."

Word contains consecutive vowels 'EO' in between alphabets d & bstruent is misspelled as 'OE'
Wrong Spelling:  d-oe-bstruent 
Correct Spelling:  d-eo-bstruent 
Check more misspelled words of Deobstruent to spell it correct.