[Terese Coe]

My favorite word in this thread is "Unkraut."

One could paraphrase Rilke:

Du musst dich Unkrauten.

You must un-cabbage yourself.

[Pls note I am not using Kraut as slang here, definitely not as ethnic epithet. This is for all ethnic groups, nationalities, etc.]

[Kevin Rainbow]

Another strange "not/un-..."-word is the Russian word for week, неделя (nedelya), literally "not working", because it originally referred only to Sunday, while Sunday, Воскресенье (Voskresn'ye) is "Resurrection (Day)" because it originally only referred to Easter Sunday.