DECLENSION / ΚΛΙΣΗ, Nouns, STUDY MATERIAL, VOCABULARY, Word Groups, Words Hellenic Lessons16 December 202017 July 2021 ο ωκεανός, ocean This content is for Hellenic Lessons’ Learners – 2 months, Hellenic Lessons’ Learners – 6 months, and Hellenic Lessons’ Learners – 1 year members only.Login Join Now FacebookTweetPinEmailPrint