I was pleasantly surprised to discover I know all 50 words. 

I do think this is a great explanation of [sic]:

Sic: Found in writing, this Latin word most commonly finds a home in brackets (like this: [sic]) when quoting a statement or writing. It indicates that there is a spelling or grammar error (or just something out of the ordinary) in the original quotation and that the publication has only reproduced it faithfully, not made an error of their own