Wordspacing refers to the space in between words.
Too much space between words makes it difficult to read.
Too little space between words also makes it difficult to read.
Letterspacing and wordspacing work together. If one is tight, so is the other.
For moderate wordspacing, use a lowercase “n” as your measurement.
For tighter wordspacing, use a lowercase “i” combined with its letterpsacing as your measurement.
The rule for wordspacing: if you can read it easily, it is right.