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Neology is a creative and innovative phenomenon which contributes to the evolution of languages, from a general perspective and in terms of specialized usage. The formation of new lexical and terminological units becomes an individual and collective conscious process. This article presents a comparative study of language enrichment process through neonyms in (European) Portuguese and (hexagonal) French, extracted from a corpus of comparable texts in French and Portuguese taken from press sources (since 2010) in the field of economics and finance. The first part of this paper is devoted to a preliminary theoretical presentation of language enrichment and lexical creativity. We then go on to explain, in the second part, the main observed neological processes using concrete examples.