thi- root words — words with the thi- root

The root thi- comes from Greek theion, meaning sulfur. 1 words in Dendril are built from it, including thiamine. Dendril shows them on a free interactive word map — no signup, no ads.

Words that use the thi- root

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

What does thi- mean?

The thi- root means sulfur, from Greek theion. Recognizing it helps you decode and remember the many English words built on this root.