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Main Authors: Silva, Mérilin Sousa, Ahmadi, Sina
Format: Preprint
Published: 2025
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Online Access:https://arxiv.org/abs/2510.26254
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author Silva, Mérilin Sousa
Ahmadi, Sina
author_facet Silva, Mérilin Sousa
Ahmadi, Sina
contents Throughout language history, words are borrowed from one language to another and gradually become integrated into the recipient's lexicon. Speakers can often differentiate these loanwords from native vocabulary, particularly in bilingual communities where a dominant language continuously imposes lexical items on a minority language. This paper investigates whether pretrained language models, including large language models, possess similar capabilities for loanword identification. We evaluate multiple models across 10 languages. Despite explicit instructions and contextual information, our results show that models perform poorly in distinguishing loanwords from native ones. These findings corroborate previous evidence that modern NLP systems exhibit a bias toward loanwords rather than native equivalents. Our work has implications for developing NLP tools for minority languages and supporting language preservation in communities under lexical pressure from dominant languages.
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publishDate 2025
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spellingShingle Are Language Models Borrowing-Blind? A Multilingual Evaluation of Loanword Identification across 10 Languages
Silva, Mérilin Sousa
Ahmadi, Sina
Computation and Language
Throughout language history, words are borrowed from one language to another and gradually become integrated into the recipient's lexicon. Speakers can often differentiate these loanwords from native vocabulary, particularly in bilingual communities where a dominant language continuously imposes lexical items on a minority language. This paper investigates whether pretrained language models, including large language models, possess similar capabilities for loanword identification. We evaluate multiple models across 10 languages. Despite explicit instructions and contextual information, our results show that models perform poorly in distinguishing loanwords from native ones. These findings corroborate previous evidence that modern NLP systems exhibit a bias toward loanwords rather than native equivalents. Our work has implications for developing NLP tools for minority languages and supporting language preservation in communities under lexical pressure from dominant languages.
title Are Language Models Borrowing-Blind? A Multilingual Evaluation of Loanword Identification across 10 Languages
topic Computation and Language
url https://arxiv.org/abs/2510.26254