ist- root words — words with the ist- root

The root ist- comes from Greek istos, meaning one that is (superlative-based agent/noun suffix). 4 words in Dendril are built from it, including phlogistic, phlogiston, protist, protistology. Dendril shows them on a free interactive word map — no signup, no ads.

Words that use the ist- root

Explore words with ist- — words containing the ist- root and sharing its sense of "one that is (superlative-based agent/noun suffix)". Examples include phlogistic, phlogiston, protist, protistology. Click any word to see its own roots, definition, and related words.

What does ist- mean?

The ist- root means one that is (superlative-based agent/noun suffix), from Greek istos. Recognizing it helps you decode and remember the many English words built on this root.