"Demosthenic" is a word in ENGLISH

Pertaining to a process or a style of printing from characters in relief on zinc plates.

Pertaining to, or after the manner of, an annalist; as, the dry annalistic style.

Pertaining to, or in the style of, Lord Byron.

Pertaining to, or used in, conversation, esp. common and familiar conversation; conversational; hence, unstudied; informal; as, colloquial intercourse; colloquial phrases; …

Of or pertaining to the government of the eleven Southern States of the United States which (1860-1865) attempted to establish …

Pertaining to conversation; in the manner of one conversing; as, a conversational style.

Of or pertaining to the Digynia; having two styles.

Of or pertaining to the Dodecagynia; having twelve styles.

Narrated in a grand style; pertaining to or designating a kind of narrative poem, usually called an heroic poem, in …

Of or pertaining to epigraphs or to epigraphy; as, an epigraphic style; epigraphical works or studies.

Pertaining to epistles or letters; suitable to letters and correspondence; as, an epistolary style.

Pertaining to letters or epistles; in the form or style of letters; epistolary.

Of or pertaining to a style of architecture with pointed arches, steep roofs, windows large in proportion to the wall …

Of or pertaining to Horace, the Latin poet, or resembling his style.

Of or pertaining to a style of architecture and decoration in the time of James the First, of England.

Pertaining to or resembling Dr. Johnson or his style; pompous; inflated.

Of, pertaining to, or derived from, Latin; in the Latin style or idiom.

Of or pertaining to the making of laws; suitable to legislation; as, the transaction of legislative business; the legislative style.

Of, pertaining to, or resembling, the art or style of the times of Louis XIV. of France; as, Louis quatorze …

Of or pertaining to Monogynia; having only one style or stigma.