Through the novel proposal presented in the present work, the lexicon of 9(th )grade students is enriched. Theoretical and methodological aspects in the philosophical, sociological, psychological, pedagogical (didactic-methodological) areas related to the usage of vocabulary in the teaching-learning process of the Spanish-Literature subject were taken as references. The proposal is materialized through teaching activities for the enrichment of the vocabulary of 9th grade students, which is why the necessary process and methodological guidelines are offered based on the development of language skills.