How can I describe the sound or onomatopoeia for sneezing?
Is it hachu, hachoo, achoo, atchoo, kerchoo or kachoo?
Are there orthographically correct words for this?
I like "ah-choo" myself (the hyphen reflects the pause in the sneeze), but Merriam lists "achoo" as primary and mine as a variant. I agree that any would be understood in context, though I don't think I've seen "hachu" before.