If you've mistakenly typed "aach" instead of the word you intended, a few possibilities might include "each", "arch" or "ache". Remember to proofread your writing to catch these errors and ensure a clearer message.
DACH In German, DACH is an acronym for Germany, Austria and Switzerland and refers to countries where German is the official language.
EachEach participant is required to fill out a registration form.
Mach My grandfather used to tell me stories about his time working as a test pilot, flying planes at supersonic speeds, breaking the sound barrier, and experiencing the rush of Mach.
ZachZach is my younger brother who always makes me laugh.