The synchrony and diachrony of language.    From Wordnet, Princeton University. 

An insistence on diachrony is sweet music to this Indo-Europeanist manqué.    From Wordnik.com.  [languagehat.com: THE STORY OF PU.] Reference

Seems to me that typology and diachrony are totally conflated by that study, as reported.    From Wordnik.com.  [languagehat.com: LINKING LANGUAGES.] Reference

In M. Degraff (Ed.), Language Creation and Language Change: Creolization, diachrony, and development. (pp. 1-46).    From Wordnik.com.  [Innateness and Language] Reference

For kicks, I might be tempted to overlap it with my own chronology of Pre-IE to create a detailed overview of Indo-European diachrony.    From Wordnik.com.  [Archive 2009-03-01] Reference

A complete diachrony could only be achieved by comparing not only isolated facts, like sounds, but the whole state of the language at one period with that prevailing at another.    From Wordnik.com.  [STUDY OF LANGUAGE] Reference

The reason why this was possible lay in the fact that the gap between synchrony and diachrony (history) remained to be bridged: it was not clear just how the physical description of speech sounds related to the entities which had somehow come to be represented in the (syllabic or) alphabetic records in which the various well-studied literary languages were recorded.    From Wordnik.com.  [LINGUISTICS] Reference

It is my contention that the most illuminating way of regarding the functional diffusion of pu — and of any content word — is by looking, not only at one synchronic distribution (that of Standard Modern Greek), but at the full range of synchronic distributions in the sundry diatopic variants (dialects) of Modern Greek, and that such a discussion must be informed by the diachrony of the form.    From Wordnik.com.  [languagehat.com: THE STORY OF PU.] Reference

“Synchrony” and “diachrony” have already been referred to; the opposition between them is reflected in the opposition langue/parole (rendered in CGL as.    From Wordnik.com.  [STRUCTURALISM] Reference

Rather, diachrony is subsumed by typology?.    From Wordnik.com.  [languagehat.com: LINKING LANGUAGES.] Reference

That's the case, but Lyons overlooks the song's more prodigious strength, which moves in the opposite direction: its pervasive use of metalepsis (by that I mean "a rhetorically defined moment of poetic echo"; a trope of diachrony as John Hollander describes it in.    From Wordnik.com.  [Ancient Hebrew Poetry] Reference