The word "starknesses" may not be commonly used in everyday language, but there are several synonyms that can be used in its place. "Austere" and "bareness" both convey a sense of simplicity and lack of adornment. "Simplicity" and "plainness" both suggest a lack of complexity or detailed decoration. "Severity" and "harshness" communicate a sense of harshness or demandingness. "Barrenness" and "emptiness" suggest a lack of substance or vitality. These synonyms can be used in a variety of contexts, from describing the landscape of a barren desert to the simplicity of a minimalist design.