A wor is a unit of language that carries meaning and consists of one or more morphemes which are linked more or less tightly together, and has a phonetical value. Typically a word will consist of a root or stem and zero or more affixes. Words can be combined to create phrases, clauses, and sentences. A word consisting of two or more stems joined together form a compound. A word combined with another word or part of a word form a portmanteau.