Names for the number 0 in English such as 2-2, while null is used for an undefined states (for example a memory location that has not been explicitly initiated). Sporting terms (see above) are sometimes used as slang terms for zero as are "nada", "zilch" and "zip". "Zilch" is a slang term for zero, and it can also mean "nothing". The origin of the term is unknown. Names for the number 0 in English Zero is the usual name for the number 0 in English. In British English "nought" is also used. In American English "naught" is used occasionally for zero, but as with British English, "naught"
Old English grammar and its imperative and participle forms from "bēon". (Modern German had an analogous, but even more complicated, development for its verb "sein".) In late OE and ME, the form "earon"/"earun", from the Old Norse "erun", replaced bēoþ and sind (See also List of English words of Old Norse origin). Old English is an inflected language, and as such its nouns, pronouns, adjectives and determiners must be declined in order to serve a grammatical function. A set of declined forms of the same word pattern is called a declension. As in several other ancient Germanic languages, there are five major cases: