1. A computer-implemented method for word recommendation, comprising: constructing a geographic-related language database of a geographic-related language by counting utilization frequencies of words in the geographic-related language, and collecting one or more geographic-related language words having a utilization frequency greater than a predetermined value; receiving, from a user device, a coded character string; collecting geographic information associated with the user device; determining a geographic-related language corresponding to the geographic information; and obtaining a geographic-related language candidate word corresponding to the coded character string based on the geographic-related language database of the geographic-related language.