The word 'Slavonic' is correct and usable in written English.
It is an adjective used to describe anything related to the Slavs, a group of ethnicities native mainly to Eastern Europe and the Balkans. Example sentence: The modern Slavonic languages are closely related to each other.
For readers who can understand Bosnian (not too hard if you know another Slavonic language) Bosnian Television is running a live feed collating protest news from around the country.
Conscious of his musical heritage, Dvořák infused his music with folk-derived elements, particularly dances; his last symphony, Symphony No. 9 in E Minor: From the New World (1893; also called the New World Symphony), even incorporates American tunes, but these are almost incidental to the strong Slavonic character of the work.
The promising experiments of a group of noble writers who worked within the formal Slavonic tradition were ended by exile and repression.
The brothers translated the greater part of the Bible and the essential liturgical texts into what must have been a Slavonic literary language of Cyril's devising, based on the Macedonian-Slavonic vernacular of his native Salonika but enriched from other sources, notably Greek and the Slavonic of Moravia.
The original, single Slavonic tongue had splintered into distinct languages and dialects.
It was, however, accepted (also with the Slavonic liturgy) in Bulgaria and Croatia and spread along the Dalmatian coast southward into Montenegro and westward into Istria.
Church Slavonic in its different variants remained the main source of innovations in vocabulary in East Slavic and in some South Slavic languages.
Thus, Indo-European *eu passed to Baltic jau and Common Slavic *jau (which became ju e.g., Lithuanian liáudis "people," Latvian ļáudis, Old Church Slavonic ljudije.
Old Church Slavonic was written in Glagolitic for only about 300 years; Glagolitic gradually gave way to Cyrillic, which is still used for Church Slavonic service books in Orthodox Christian churches and (in modernized form) for certain modern Slavic languages: Russian, Belarusian, Ukrainian, Bulgarian, Macedonian, and Serbian.
They not only preached in a Slavic language, Old Church Slavonic, but also translated portions of the Christian scriptures into that language and used them in divine services.
His textual criticism of the Bible led him to study Old Church Slavonic and, subsequently, the Slavic languages as a group.
