Mar 22, 2023 · The questions How? and Why? only have similar answers where the reason for something is the cause. This is the case for a question like "Why is the boy so big?" — he has.
Dec 4, 2018 · For why' can be idiomatic in certain contexts, but it sounds rather old-fashioned. Googling 'for why' (in quotes) I discovered that there was a single word 'forwhy' in Middle English.
