Seiweed or Seaweed: How To spell?
The word Seiweed is misspelled against Seaweed, a noun meaning "Any marine plant of the class Algae, as kelp, dulse, Fucus, Ulva, etc."
Seaweed has vowels 'ea' together mispronounced as 'ei'Word contains consecutive vowels 'EA' in between alphabets s & weed is misspelled as 'EI'
Wrong Spelling:  s-ei-weed  Correct Spelling:  s-ea-weed 
Find more wrongly spelled words of Seaweed to spell it well.