Informal:
* Cabinho: This is a cute and playful diminutive that can be used when talking to children or in informal settings.
* Little cabin: This is a simple and straightforward way to describe a small cabin.
* Tiny cabin: This emphasizes the size of the cabin.
* Cabanita: This is a Spanish diminutive that could be used in some contexts.
Formal:
* Small cabin: This is the most formal option.
* Compact cabin: This emphasizes the small size and efficient use of space.
* Compact dwelling: This is a more general term that could be used for a variety of small structures.
It's important to choose the right diminutive based on the context and your intended meaning.