This paper aims to analyze from a lexical and etymological perspective words ultimately derived from Latin phrases (e.g., the Romanian noun parabelum, which is ultimately derived from the Latin phrase si vis pacem, para bellum) on the one hand, and, on the other hand, from Latin lexical forms that were declined in oblique cases and that were preserved as such (e.g., the Romanian noun omnium, that is derived – indirectly- from Latin omnium, which is the plural genitive form of the Latin pronoun omnis, omne). Our study shows that this type of vocabulary enrichment has the potential to be a creative, ludic and a very productive one; at the same time, it proves that the Latin language will continue to represent- a copious treasure-trove for modern languages.