thi- root words — words with the thi- root

The root thi- comes from Greek theion, meaning sulfur. 15 words in Dendril are built from it, including thiamine, chlorothiazide, dithionite, glutathione, methionine, parathion, phenothiazine, succinylsulfathiazole, sulfathiazole, thiazine, thiazole, thiol. 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, chlorothiazide, dithionite, glutathione, methionine, parathion, phenothiazine, succinylsulfathiazole, sulfathiazole, thiazine, thiazole, thiol. Click any word to see its own roots, definition, and related words.

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