As a native speaker I can confirm the observations of Mark Twain. What is ignored in such humorous tirades is that every human speaker will push information density to the very limit of understandability. In every language. They will use all the tools available. Sure, the German case system is getting weaker as the centuries go by. And in some situations you will wonder why it's used still. But that doesn't mean the…
English is not easy: Dearest creature in creation, Study English pronunciation. I will teach you in my verse Sounds like corpse, corps, horse, and worse. I will keep you, Suzy, busy, Make your head with heat grow dizzy. Tear in eye, your dress will tear. So shall I! Oh hear my prayer. Just compare heart, beard, and heard, Dies and diet, lord and word, Sword and sward, retain and Britain. (Mind the latter, how it’s wr…
Ok, I had to google that, having never seen it spelled this way. Merriam-Webster agrees that the etymology of hiccup/hickup is imitative of the sound. Wiktionary says "hiccough" is a later spelling, folk-etymology.
Fun, but this one's not to blame on the English language :)