She had mounted all her hopes on passing the exam → tenía todas sus esperanzas puestas en aprobar el examen Secure could be an adjective or noun, whereas protected could be an adjective or verb. The one times they could’t be used interchangeably is dependent upon the context… From to https://edwinmhznc.ampedpages.com/the-greatest-guide-to-fix-chocolate-canada-where-to-buy-64606138