I want to create a list of 10 pairs of consonants based on linguistics, logic, and/or intuition, regarding the sound of the letters, the shape, or other criteria. The logic need not apply to all letter pairs. That is, the logic used to group one pair of letters need not apply to all letter pair...

My girlfriend and I are working on learning an L2. It is not a particularly difficult language, and one closely related to English. What methods are there for working on learning together? It is hard to identify and build the vocabulary required to only speak L2 at dinner, for example. We hav...

I'm currently using Duolingo to learn German. It does a good job of teaching vocabulary and sentence structure, but when it comes to grammar, Duolingo forces me to simply memorize verb conjugations without actually explaining them in the lesson, which leaves me unsure about which conjugation to u...