One of the grounds for arguing that the books of the Iliad, I, K, Ψ, Ω, are late and Odyssean, is that there are found in them uses of certain prepositions, especially ⋯π⋯, ⋯ν, ⋯ξ, which appear in the Odyssey, but not, or only very rarely, in the other twenty books of the Iliad.