Save the Word!
There is an interesting site on the Internet — SaveTheWords.org — that has a collection of obsolete or going-extinct words: antipelargy, sparsile, sagittipotent, xenization, prandicle… …
Words
Iconoclast
An iconoclast is “a breaker or destroyer of images, esp. those set up for religious veneration;” or “a person who attacks cherished beliefs, traditional institutions, …