deca- root words — words with the deca- root

The root deca- comes from Greek deka, meaning ten. 3 words in Dendril are built from it, including decade, decades, decathlon. Dendril shows them on a free interactive word map — no signup, no ads.

Words that use the deca- root

Explore words with deca- — words containing the deca- root and sharing its sense of "ten". Examples include decade, decades, decathlon. Click any word to see its own roots, definition, and related words.

What does deca- mean?

The deca- root means ten, from Greek deka. Recognizing it helps you decode and remember the many English words built on this root.