What is a word that comes from two words to form one word?

This is a tricky one! It sounds like you're looking for a portmanteau word. Here's why:

* Portmanteau is a word formed by combining parts of two other words.

* Examples:

* "Smog" (smoke + fog)

* "Brangelina" (Brad Pitt + Angelina Jolie)

* "Brunch" (breakfast + lunch)

Let me know if you'd like to explore more about portmanteaus!