The word "lenticularis" is typically used to describe a certain type of lens-shaped cloud formation. However, there are several synonyms that can be used in place of this word to describe similar cloud formations. For instance, "altocumulus castellanus" is a type of cloud that often takes on a similar shape to "lenticularis." Additionally, "pileus clouds" and "cap clouds" can both be used to describe cloud formations that resemble lenses or hats sitting atop other clouds. Finally, "stratocumulus standing lenticular" is another synonym that is often used to describe clouds that take on a similar shape to "lenticularis".