More about adjective order - some are more noun-y than others

Consider the phenomenology of it: you can take two random adjectives that apply to the same kind of noun and there is always a sense of which comes first. If you ask me rationally: which comes first: 'kind' or 'athletic' I would not know until I tried to say it: a kind athletic person. Sometimes there is a strong sense of order and sometimes a weaker one. For example, I find the relation between "fragrant" and "red" to be fainter than that between "big" and "red". But the sense of order is always there.
Also, it feels like for any pair of adjectives, one will be more "nouny" than the other. So we try "fragrant redness" and "red fragrance". I note that the former could be, but that the latter could not be. Let's try another: kind/old becomes a "kind oldness" or an "old kindness". Ignoring the pun, the latter it is not possible; whereas the former would be stated as a "kind elder". Is "old" more nouny than "kind"? Why is "red" more nouny than "fragrant" and much more nouny than "big"? Or, using the other explanation: a redness could be big but a bigness cannot be red.

For whatever reason this order of adjectives is there in our head - a direct linear ordering. Coming back to the idea that some last-letter/first-letter combos are easier to say than others, there would be evidence for it if we took random words from different adjective categories - note the order taken between one of each, and note the ease of speaking for it.