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