Synchronically

A story, a science fiction film, or, in fact, a scientific theory, can thus be positioned at a higher and later turning of the spiral, diachronically, but synchronically it can be a performance of a pattern or theme.

In particular, risks can pile up not only synchronically, as in multi premise deductions, but also diachronically, when a subject extends her knowledge by competent deduction from just one premise.

He divides synchronically opaque Sardinian toponyms into segments supposedly related to Basque lexical roots. For instance, the Ogliastan toponyms Dolai, Dodoliai and Iridolai, analyzd as *dol-ai, *do-dol-iai and *iri-dol-ai, in his view, all three contain a cognate of Bq. odol 'blood'.