How to pronounce amazon

A: The “l” in “almond” was silent until very recently. Interestingly, the “l” didn’t appear in the first syllable of amandola, the medieval Latin word from which “almond” was derived, or in the earlier Latin amygdala, or in the still earlier Greek amygdale.

To refer to the region we call the Amazon you would say la Amazonía, with or without the accent on the final ‘i’. Otherwise, if you want to be more specific and refer to the actual forest, the Amazon rainforest, you would say la selva Amazónica.