ther- root words — words with the ther- root

The root ther- comes from Greek therion, meaning wild beast, mammal. 11 words in Dendril are built from it, including eutherian, megathere, metatherian, prototherian, therapsid, therianthropic, theriomorphic, theroid, theropod, titanothere, uintathere. Dendril shows them on a free interactive word map — no signup, no ads.

Words that use the ther- root

Explore words with ther- — words containing the ther- root and sharing its sense of "wild beast, mammal". Examples include eutherian, megathere, metatherian, prototherian, therapsid, therianthropic, theriomorphic, theroid, theropod, titanothere, uintathere. Click any word to see its own roots, definition, and related words.

What does ther- mean?

The ther- root means wild beast, mammal, from Greek therion. Recognizing it helps you decode and remember the many English words built on this root.