ἀναγκαίων (anankaion)
ἀναγκαίων is an Ancient Greek form of ἀναγκαῖος, meaning “necessary; close (kinsman)”.
It can also be a form of ἀναγκαῖον, “necessary thing; (adj.) necessary”. It is the genitive plural neuter noun.
Found 435 times in the Ancient Greek texts on Socratos.
Where it is used
Thucydides, History of the Peloponnesian War 4.128.5: ἀπὸ τούτου τε πρῶτον Περδίκκας Βρασίδαν τε πολέμιον ἐνόμισε καὶ ἐς τὸ λοιπὸν Πελοποννησίων τῇ μὲν γνώμῃ δι’ Ἀθηναίους οὐ ξύνηθες μῖσος εἶχε, τῶν δὲ ἀναγκαίων ξυμφόρων διαναστὰς ἔπρασσεν ὅτῳ τρόπῳ τάχιστα τοῖς μὲν ξυμβήσεται, τῶν δὲ ἀπαλλάξεται.
All forms of ἀναγκαῖος (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.