* "Trio" itself is usually used as a noun: It refers to a group of three people or things.
* "Trio" isn't a common suffix: English doesn't often add "-trio" to words to create new ones.
However, here are some examples of words that use "trio" in a more creative or specialized context:
* "Triolet" (a form of poetry)
* "Triol" (a musical term related to a type of rhythm)
* "Triodion" (a liturgical book used in Eastern Christianity)
While these are not everyday words, they demonstrate that "trio" can be used in specific contexts.