ἑταιρήσεως ἑταίρησις, unchastity Morpho works with a static database. If you like, you can compare the output of Morpheus.Parsed as: ✓ feminine genitive singular of ἑταίρησις Search the corpus for this form only: ἑταιρήσεως ἑταίρησις Feminine SingularDualPlural Nominative – – – Genitive ἑταιρήσεως – – Dative – – – Accusative – – – Vocative – – –