4. The portable terminal according to claim 1 wherein said retrieval means retrieves from said dictionary storage means a plurality of words having one or more of the characters from said inputting means as a leading end character.
4. The portable terminal according to claim 1 wherein said retrieval means retrieves from said dictionary storage means a plurality of words having one or more of the characters from said inputting means as a leading end character. 6. The portable terminal according to claim 4 wherein said retrieval means retrieves the words having one of the characters input from said inputting means as a leading end character sequentially beginning from a word selected in the past nearest to the current time.