estr- root words — words with the estr- root

The root estr- comes from Greek oistros, meaning frenzy, gadfly. 1 words in Dendril are built from it, including estrogen. Dendril shows them on a free interactive word map — no signup, no ads.

Words that use the estr- root

Explore words with estr- — words containing the estr- root and sharing its sense of "frenzy, gadfly". Examples include estrogen. Click any word to see its own roots, definition, and related words.

What does estr- mean?

The estr- root means frenzy, gadfly, from Greek oistros. Recognizing it helps you decode and remember the many English words built on this root.