Nouns:
* Multitude: a large number of people or things.
* Multiplex: a building or room containing several cinemas or theaters.
* Multiple: a number that can be divided by another number without a remainder.
* Multiplicity: the state of being multiple.
* Multiform: a thing having many forms or appearances.
Adjectives:
* Multifaceted: having many aspects.
* Multicolored: having many colors.
* Multiline: having many lines.
* Multilevel: having many levels.
* Multipurpose: having many purposes.
* Multi-ethnic: composed of people from many ethnic groups.
Verbs:
* Multiply: to increase in number or amount.
Other:
* Multi-: a prefix meaning "many" or "multiple." This prefix is used in many words, such as "multitasking" or "multimedia."
These are just a few examples. There are many other derivatives of the Latin word "multi" that are used in English.