In linguistics, a synchronic analysis is one that views linguistic phenomena only at a given time, usually the present, but a synchronic analysis of a historical language form is also possible. It may be distinguished from diachronic, which regards a phenomenon in terms of developments through time. Diachronic analysis is the main concern of historical linguistics.

Historical glottometry is an application of the wave model, meant to identify and evaluate genetic relations in linguistic linkages. Complications. Some problems [why?] encountered by the genetic relationship group of languages include language isolates …