oo- root words — words with the oo- root

The root oo- comes from Greek oon, meaning egg. 1 words in Dendril are built from it, including oogenesis. Dendril shows them on a free interactive word map — no signup, no ads.

Words that use the oo- root

Explore words with oo- — words containing the oo- root and sharing its sense of "egg". Examples include oogenesis. Click any word to see its own roots, definition, and related words.

What does oo- mean?

The oo- root means egg, from Greek oon. Recognizing it helps you decode and remember the many English words built on this root.