ὀρθῶς (orthos)
ὀρθῶς is an Ancient Greek form of ὀρθός, meaning “straight, upright, correct”. It is the adverb.
Found 2,150 times in the Ancient Greek texts on Socratos.
Where it is used
Thucydides, History of the Peloponnesian War 1.20.3: πολλὰ δὲ καὶ ἄλλα ἔτι καὶ νῦν ὄντα καὶ οὐ χρόνῳ ἀμνηστούμενα καὶ οἱ ἄλλοι Ἕλληνες οὐκ ὀρθῶς οἴονται, ὥσπερ τούς τε Λακεδαιμονίων βασιλέας μὴ μιᾷ ψήφῳ προστίθεσθαι ἑκάτερον, ἀλλὰ δυοῖν, καὶ τὸν Πιτανάτη …
Plutarch, De sollertia animalium 8: … ίας· ἐγγὺς γὰρ οἵδε προσιόντες πολλοὶ καὶ θηρατικοὶ πάντες, οὓς οὔτε μεταθεῖναι ῥᾴδιον οὔτε λυπεῖν ἀναγκαῖον. Ὀρθῶς παραινεῖς· ἀλλʼ Εὐβίωτον μὲν εὖ οἶδα καὶ τὸν ἐμὸν ἀνεψιὸν Ἀρίστωνα, τούς τε Διονυσίου παῖδας ἀπὸ Δελφῶν, Αἰακ …
Lucian of Samosata, Podagra 242: ὀρθὼς πέπρακται. τῇ δὲ σῇ προθυμίᾳ
All forms of ὀρθός (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.