Synonyms that are in the dictionary are marked in green. Synonyms that are not in the dictionary are marked in red.
Antonyms that are in the dictionary are marked in green. Antonyms that are not in the dictionary are marked in red.
That leaves the far less-used Page Up and Page Down to be physically shifted.
Source: https://www.pcworld.com/article/1989585/corsair-k65-pro-mini-keyboard-review.html