co-vary (verb)

1. The colors in the painting co-vary, creating a harmonious and balanced composition.

2. The size of the cartoon characters' eyes and their level of excitement often co-vary, resulting in exaggerated expressions.

3. In a romantic relationship, the happiness levels of partners often co-vary, affecting the overall dynamics.

4. During the Renaissance, advancements in science and art co-varied, leading to a flourishing of knowledge and creativity.