How similar do names have to be before they are considered too similar? I realized that a lot of names in my current novel sound but don't necessarily look similar. For example the protagonist is Dacie (Candacie even though it's pretty much never mentioned) except by some of her friends who call her Dace. However her best male friend is called Chase. I know I shouldn't be this conscious of the fact that they rhyme, especially as Chase doesn't call her Dace, and isn't in contact with the people who do but are they too similar sounding?