Example 7

graphic - text in a box
graphic: pencil bullet

Nouns made from verbs are difficult because they are both complex and abstract. Readers must break the word down to its root in order to discover the meaning. That can be hard work for new readers.

Example 8

graphic - text in a box
graphic: pencil bullet

Word strings are another kind of puzzle for the reader. You have to reorganize (and usually add) words before the phrase makes sense (e.g. the rate of injury from assaults).