αἴτιοι (aitioi)
αἴτιοι is an Ancient Greek form of αἴτιος, meaning “responsible, to blame; (noun) cause”. It is the nominative plural masculine adjective.
Found 180 times in the Ancient Greek texts on Socratos.
Where it is used
Thucydides, History of the Peloponnesian War 1.69.1: καὶ τῶνδε ὑμεῖς αἴτιοι, τό τε πρῶτον ἐάσαντες αὐτοὺς τὴν πόλιν μετὰ τὰ Μηδικὰ κρατῦναι καὶ ὕστερον τὰ μακρὰ στῆσαι τείχη,ἐς τόδε τε …
Xenophon, Anabasis 5.5.19: Κοτυωρίτας δέ, οὓς ὑμετέρους φατὲ εἶναι, εἴ τι αὐτῶν εἰλήφαμεν, αὐτοὶ αἴτιοί εἰσιν· οὐ γὰρ ὡς φίλοι προσεφέροντο ἡμῖν, ἀλλὰ κλείσαντες τὰς πύλας οὔτε εἴσω ἐδέχοντο οὔτε ἔξω ἀγορὰν ἔπεμπον· ᾐτιῶντο δὲ τὸν παρʼ ὑμῶν ἁρμοστὴν τούτων αἴτιον εἶναι.
All forms of αἴτιος (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.