diachronically, in terms of patterns of development through time

the 'diachronic' methods of historical research and speculation which had dominated nineteenth-century linguistics

One can therefore imagine a diachronic study of myths

Diachronically, Ben’s clique’s philosophical stance had evolved a lot, to the point that it was hard to pinpoint exactly what they stood for at any given time

a dense diachronic rhythmic layering

a preference for diachronic, narrative description of human life predominates in contemporary culture

the diachronic construct of those feelings in sequence, in action

the infinite complexity, synchronic as well as diachronic

The romance plot is really the lynchpin of the picture, and it determines the diachronic structure of the narrative.