Technically, it is possible to create a sword out of titanium. Titanium is a lightweight and strong metal known for its excellent strength-to-weight ratio, corrosion resistance, and durability. However, there are certain considerations and limitations to keep in mind when considering titanium for sword-making:

1. Hardness: Titanium is not as hard as traditional sword-making materials such as high-carbon steels. While titanium can be hardened to some extent, it is generally not as hard as steel alloys commonly used for sword blades. This means that a titanium sword may not hold a sharp edge or retain its edge as well as a steel sword.
2. Ductility: Titanium has a relatively high ductility, which means it has a tendency to deform or bend under stress. This can be a disadvantage in sword-making, where a certain level of rigidity and resilience is desired to withstand impact and maintain structural integrity.
3. Weight: Titanium is significantly lighter than most steel alloys, which can affect the handling and balance of a sword. While a lighter sword can provide advantages in terms of agility and speed, it may lack the heft and balance typically associated with traditional swords.
4. Cost: Titanium is an expensive material compared to traditional sword-making materials. The higher cost of titanium may make it less practical for creating swords, especially when considering the need for a relatively large volume of material for a sword blade.

Considering these factors, while a titanium sword can be made, it may not possess the same characteristics and performance as swords made from traditional materials such as high-carbon steel. Titanium swords are not commonly found in historical or traditional sword-making practices but can be created as novelty or modern art pieces.

It's worth noting that there are other titanium alloys or composite materials that may offer improved hardness and other properties for blade-making, but their practicality, cost, and availability should be carefully evaluated. If you are considering a titanium sword, consulting with experienced swordsmiths or materials experts can provide valuable insight into the feasibility and performance of such a blade.