co- root words — words with the co- root

The root co- comes from Latin complementi, meaning of the complement (complementary angle). 1 words in Dendril are built from it, including cosecant. Dendril shows them on a free interactive word map — no signup, no ads.

Words that use the co- root

Explore words with co- — words containing the co- root and sharing its sense of "of the complement (complementary angle)". Examples include cosecant. Click any word to see its own roots, definition, and related words.

What does co- mean?

The co- root means of the complement (complementary angle), from Latin complementi. Recognizing it helps you decode and remember the many English words built on this root.