μυστήρια (mysteria)

μυστήρια is an Ancient Greek form of μυστήριον, meaning “mystery, secret rite”. It is the accusative plural neuter noun.

Found 113 times in the Ancient Greek texts on Socratos.

Where it is used

Thucydides, History of the Peloponnesian War 6.28.1: μηνύεται οὖν ἀπὸ μετοίκων τέ τινων καὶ ἀκολούθων περὶ μὲν τῶν Ἑρμῶν οὐδέν, ἄλλων δὲ ἀγαλμάτων περικοπαί τινες πρότερον ὑπὸ νεωτέρων μετὰ παιδιᾶς καὶ οἴνου γεγενημέναι, καὶ τὰ μυστήρια ἅμα ὡς ποιεῖται ἐν οἰκίαις ἐφ’ ὕβρει· ὧν καὶ τὸν Ἀλκιβιάδην ἐπῃτιῶντο.

Claudius Ptolemaeus, Tetrabiblos 2.3·7: … ικίλοις καὶ ἐγχωρίοις ὀνόμασι προσαγορεύοντες, καὶ τὸν τοῦ Ἄρεως ὡς Ἄδωνιν ἢ ἄλλως πως πάλιν ὀνομάζοντες· καὶ μυστήριά τινα μετὰ θρηνῶν ἀποδιδόντες αὐτοῖς.

All forms of μυστήριον (declension table)

Source: Socratos (socratos.org), a free reader for Ancient Greek and Latin. Grammar from the Perseus Treebank and Morpheus; dictionary entries from Liddell-Scott-Jones, A Greek-English Lexicon (Perseus Digital Library, CC BY-SA). Counts are from the texts on Socratos.