12. An electronic device comprising: a memory storing instructions; and a processor executing the instructions to: generate a new message in response to a command, wherein the new message relates to a prior message; store words found in the prior message in a first dictionary; receiving an input reflecting a character selection; identify words from the first dictionary and a second dictionary based on the character selection; and output the identified words prioritized according to whether each output word is identified from the first dictionary or the second dictionary.
12. An electronic device comprising: a memory storing instructions; and a processor executing the instructions to: generate a new message in response to a command, wherein the new message relates to a prior message; store words found in the prior message in a first dictionary; receiving an input reflecting a character selection; identify words from the first dictionary and a second dictionary based on the character selection; and output the identified words prioritized according to whether each output word is identified from the first dictionary or the second dictionary. 13. The electronic device of claim 12 , wherein words identified from the first dictionary are output according to a higher priority than words identified form the second dictionary.