5-letter words starting with oni

onion — a plant, Allium cepa, of the amaryllis family, having an edible, succulent, pungent bulb.
onium — (chemistry) any cation derived by the addition of a proton to the hydride of any element of the nitrogen, chalcogen or halogen families.

On this page, we collect all 5-letter words starting with ONI. It’s easy to find right word with a certain length. It is the easiest way to find 5-letter word that beginning with ONI to use in Scrabble or Crossword puzzles.

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