estr- root words — words with the estr- root

The root estr- comes from Greek oistros, meaning frenzy, gadfly. 13 words in Dendril are built from it, including estrogen, estradiol, estriol, estrogenic, estrone, estrous, estrum, estrus, oestradiol, oestrogen, oestrous, oestrus. 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, estradiol, estriol, estrogenic, estrone, estrous, estrum, estrus, oestradiol, oestrogen, oestrous, oestrus. 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.