Quote Originally Posted by mudrets View Post
I think the opposite of "diminutive" is "augmentative" (увеличительный). For some reason, the form does seem to be rarer in Russian than the diminutive.
Thanks, I wasn't aware of that word. In German, we have no grammatical declinable suffix for such purposes (and only two for diminutives), but we can stick lots of words as compound prefixes on nouns to achieve that effect.