Alamedas is a Spanish word that means "poplar groves." If you're looking for synonyms for this word, you might consider "poplar forests," "poplar stands," or "poplar thickets." Other possible options could include "woodlands," "groves," "thickets," or "copses." Depending on the context, you might also consider using more generic terms like "forests," "woods," or "trees." Ultimately, the best synonym for "alamedas" will depend on the specific context and tone you're trying to convey. Whether you're describing a serene landscape or a bustling city street, there's sure to be a synonym that fits the bill.