Derived stems are a morphological feature of verbs common to the Semitic languages. These derived verb stems are sometimes called augmentations or forms of the verb, or are identified by their Hebrew name binyanim. Semitic languages make extensive use of nonconcatenative morphology, and most words share a set of two, three or four consonants which comprise a root wherein each root may be the basis for a number of conceptually related words. Traditionally, words are thought of as being derived from these root consonants, but a view increasingly held by contemporary linguists sees stem words being the source of derivations rather than consonantal roots. Regardless, each language features a number of set patterns for deriving verb stems from a given root or underived stem. Stems sharing the s