Word square place names). However, 11-squares are possible if words from a number of languages are allowed ("Word Ways", August 2004 and May 2005). It is possible to estimate the degree of difficulty of constructing word squares. 5-squares can be constructed with as little as a 250-word vocabulary. Roughly, for each step upwards, one needs four times the number of words. For a 9-square, one needs over 60,000 9-letter words, which is practically all of those in single very large dictionaries. For large squares, the vocabulary prevents selecting more "desirable" words (i.e. words that are unhyphenated, in common use, without contrived inflections,
Internet-related prefixes Internet-related prefixes Internet-related prefixes such as "e-", "i-", "cyber-", "info-", "techno-" and "net-" are added to a wide range of existing words to describe new, Internet- or computer-related flavors of existing concepts, often electronic products and services that already have a non-electronic counterpart. The adjective "virtual" is often used in a similar manner. "Cyber-" is derived from "cybernetic," which comes from the Greek word κυβερνητικός meaning "skilled in steering or governing". It is mainly used in the terms "cyberspace", "cyberlaw", "cyberbullying", "cybercrime", "cyberwarfare", "cyberterrorism", "cybersex", and "cyberdelic" among others. Although it is more commonly used to describe policies and politics