Some common words formed by unscrambling conchylia include:
1. Lychis
2. Lochan
3. Chalyx
4. Anchovy
These words have different meanings and may not directly relate to the original context of conchylia. However, they demonstrate the potential word formations using the given letters. Additionally, related words like conch, loch, or chain can be identified from rearrangements of the letters. These words share similar letter patterns or linguistic associations.