Without the egu above the first a, it would mean savannah...and you cant' get those in a washing machine without clogging the plumbing. Now I just have to remember the word for soap. Jabon. First syllable gets the stress. Why are these words not sticking? It must be the jabon is too good.
Duolingo tends to dislike compound words. It might depend on whether their dictionary includes certain compound words. I've have this problem with Duolingo several times. And yes, they are sometimes inconsistent with their rules and translations. Just shrug it off and keep going. By the way, I put bedsheets also.