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You may also use our thesaurus of synonyms to improve the effectiveness of your searches. This is useful in situations where terms may have multiple spellings. For example, the city of Akragas is also known as Acragas, Agrigentum, and Agrigento. If you use the thesaurus with one of these terms, your query will show results for all the synonyms. Please contact us if you know of synonym pairs that our thesaurus does not contain.