* Manicure: a treatment for the hands and nails.
* Manifest: to make something clear or obvious.
* Manipulation: the act of controlling or influencing someone or something.
* Manual: a book of instructions.
* Manometer: an instrument for measuring pressure.
It's important to note that the root "mani" can also be part of words of other origins. For example, in Sanskrit, "mani" means "jewel".