490 The Loom of Language than fanatical adherents of Esperanto A constructed auxiliary now designed in the light of defects and merits of previous proposals would therefore be almost, if not quite, as free of flexions as Chinese or Peano's Interlingua Tins leaves us with the following question Would it be also free from other types of word-modification > An international language would not be piacticable if it listed as many words as the Concise Oxford Dictionary or Webster Our limited learning capacities demand something more economical. So there is another need for which the planner has to cater. Apart from being economical, the vocabulary must allow for expansion made necessary by the incessant emergence of new articles., inventions, and ideas Many pioneers of language planning have tried to kill two birds with one stone by composing a restricted set of basic or root words from which other words can be derived by a rich battery of prefixes and suffixes. They do what we do when we derive bookish from book, or systematize from system Till now the prevailing attitude towards such derivative affixes has been on all fours with the attitude of Schleyer, Zamenhof, and Jespersen towards flexions They have been less critical of their functional importance than of their erratic behaviour. For instance, the Esperanto suffix -EC for the abstract idea is an incitement to people the world with new fictions comparable to the definition of love as the ideality of the relativity of the reality of an infinitesimal pen tion of the absolute totality of the Infinite Being Irregularities, formal and functional, of English derivative affixes are typical of other Aryan languages The prefix re- may, and often does, connote repetition when attached to a new word, but it is quite lifeless in receive, regard, respect The negative prefixes un-, in-, im-, irr- attach themselves to a root without regard to phonetic or philological etiquette, as in unable—impossible, inert—unconscious, insensitive— irresponsible* The Teutonic suffixes -dom, -ship and -head or -hood turn up in abstract nouns of the same general class (wisdom—friendship) lordship—fatherhood}. If we tack on -er to some verb roots we get a member of the agent class represented by fisher, writer, reader, teacher, manufacturer We may also get a means of transport (steamer) or a com- partment in one (smoker, sleeper) To all these irregularities we have to add those inherent in borrowed Latin roots which contain such uncer- tain prefixes as e- or ex-, and in-, the last of which may signify either enclosure (insert) or negation (innocuous) Clearly a language with a regular system of derivative affixes for such clear-cut categories as