a- root words — words with the a- root

The root a- comes from Greek a, meaning not, without. 10 words in Dendril are built from it, including aby, adamantine, adiaphorism, asepsis, asthenopia, aurelia, bevatron, butacaine, butadiene, myasthenia. Dendril shows them on a free interactive word map — no signup, no ads.

Words that use the a- root

Explore words with a- — words containing the a- root and sharing its sense of "not, without". Examples include aby, adamantine, adiaphorism, asepsis, asthenopia, aurelia, bevatron, butacaine, butadiene, myasthenia. Click any word to see its own roots, definition, and related words.

The a- root means not, without, from Greek a. Recognizing it helps you decode and remember the many English words built on this root.