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,
Sentence word words "Wortsätze". One of the predominant questions concerning children and language acquisition deals with the relation between the perception and the production of a child's word usage. It is difficult to understand what a child understands about the words that they are using and what the desired outcome or goal of the utterance should be. Holophrases are defined as a "single-word utterance which is used by a child to express more than one meaning usually attributed to that single word by adults." The holophrastic hypothesis argues that children use single words to refer to different meanings in the same way