It's also root of a medical word describing some astounding embryologic anomalies, in which recognizable malformed structures are found where they don't belong. I'll go search for information about this. The term is "hamartoma".

Search for "Pathology hamartoma" yielded this site:
http://wwwpath.usuf2.usuhs.mil/Surg_Path/s96-05/96-5.html

A bit more:
The word "sin" in New Testament Greek is "hamartia" = to miss the mark (as in archery), literally, anyway. So, maybe "aim true" or "sure shot" would work.