7. The portable terminal according to claim 1 wherein said retrieval means retrieves from said dictionary storage means plural words including a plurality of the characters input from said inputting means.
7. The portable terminal according to claim 1 wherein said retrieval means retrieves from said dictionary storage means plural words including a plurality of the characters input from said inputting means. 10. The portable terminal according to claim 7 wherein said retrieval means retrieves the words each including a plurality of the characters input from said inputting means as constituent elements sequentially beginning from a word selected in the past nearest to the current time.