This book constitutes the refereed proceedings of the 18th International Conference on Automatic Processing of Natural-Language Electronic Texts with NooJ, NooJ 2024, held in Bergamo, Italy, during June 5-7, 2024. The 16 full papers included in this book were carefully reviewed and selected from 64 submissions. These papers have been organized under the following topical sections: Lexical and Morphological Resources; Syntactic Resources; Corpus Linguistics and Discourse Analysis; Natural Language Processing Applications.