Acersecomic: A person whose hair has never been cut.
Biblioclasm: The practice of destroying, often ceremoniously, books or other written material and media.
Cacodemonomania: The pathological belief that one is inhabited by an evil spirit.
Xenization: The act of traveling as a stranger.
Yonderly: Mentally or emotionally distant; absent-minded.
Zugzwang: A position in which any decision or move will result in problem
The A – Z Of Unusual Words – a 2011 series by mutiple lecool cover artists the Project Twins (Cork based graphic artists James and Michael Fitzgerald).
See the entire alphabet here.