7-letter words starting with oo
- ooblast — a primordial cell from which the ovum is developed.
- oobleck — A mixture of cornstarch and water with unusual physical properties.
- oocysts — Plural form of oocyst.
- oocytes — Plural form of oocyte.
- ooftish — any kind of money or cash
- oogonia — one of the undifferentiated germ cells giving rise to oocytes.
- oolites — Plural form of oolite.
- oolitic — (geology) Made up of, or containing oolites.
- oologic — Relating to oology.
- oophore — (biology) A form of some ferns and mosses that bear sexual fruit.
- oophyte — the gametophyte of a moss, fern, or liverwort, resulting from the development of a fertilized egg.
- ooplasm — The cytoplasm of an egg or ovum.
- oosperm — a fertilized ovum; zygote
- oospore — a fertilized egg within an oogonium.
- ootheca — a case or capsule containing eggs, as that of certain gastropods and insects.
On this page, we collect all 7-letter words starting with OO. It’s easy to find right word with a certain length. It is the easiest way to find 7-letter word that beginning with OO to use in Scrabble or Crossword puzzles.