Training swords are commonly referred to by various names depending on the specific type, context, and martial arts discipline. Here are some common terms used to describe training swords:

1. Bokken: A bokken is a wooden training sword used in Japanese martial arts such as kendo, aikido, and kenjutsu. It is typically made from hardwood and replicates the shape and weight of a traditional katana.
2. Shinai: A shinai is a bamboo training sword used in kendo, a Japanese martial art focused on swordsmanship. It consists of several bamboo slats bound together and covered with a leather or fabric handle. The shinai allows for safe strikes and sparring while maintaining the discipline and techniques of kendo.
3. Polypropylene Sword: Polypropylene swords are synthetic training weapons made from durable plastic material. They are lightweight, affordable, and resistant to impact. These swords are commonly used in martial arts training, historical European martial arts (HEMA), and stage combat due to their durability and safety features.
4. LARP Swords: LARP (Live Action Role Playing) swords are specifically designed for use in LARP events and recreational swordplay. They typically feature a foam-padded construction, with a flexible core and a foam covering that resembles a sword. LARP swords prioritize safety while allowing for engaging and realistic combat simulations.
5. Sparring Swords: The term "sparring sword" is a general term used to describe swords specifically designed for safe contact sparring and training. They can come in various forms, such as foam-padded swords, rebated steel swords, or synthetic training swords, and are used in different martial arts and combat training disciplines.

These are just a few examples of the various names and types of training swords used in different martial arts and training contexts. The specific terminology may vary based on cultural traditions, regional practices, and individual preferences.