Grons or Grains: How To spell?

The word Grons is misspelled against Grains, a noun meaning "Pigeon's dung used in tanning. See Grainer. n., 1."

Word contains consecutive vowels 'AI' in between alphabets gr & ns is misspelled as 'O'
Wrong Spelling:  gr-o-ns 
Correct Spelling:  gr-ai-ns 
Find more incorrect spellings of Grains to spell right way.

You might be interested to know

Hobnol or Hobnail?

Judozation or Judaization?

Moan or Maian?