-esis (Latin: process of action).Denoting a process of action as shown below in just a few of many words using this suffix:
The supposed origination or evolution of living organisms from lifeless matter without the action of living parents.
The perception of the external world by the senses.
The development of new blood-vessels.
The sense of muscular effort that accompanies a voluntary motion of the body.
Misunderstanding or misconception of a word, resulting in an alteration or corruption of it.
Simultaneous ripening of the stamens and pistils in a flower.