I was just thinking about the fact that certain words seem to be used so much more frequently with their negative prefixes than without their negative prefixes (to the point that these words sound funny without their negative prefixes. Consider the following words:
These are just the first words like this that came to my mind and the majority have the negative "in" prefix. Please add to the list by clicking the comment button below. Also, can anyone think of a name to give this phenomenon?