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.
The Aircove falls in the latter category, and it looks fine.
Source: https://gizmodo.com/expressvpn-aircove-router-review-vpn-wifi-6-privacy-1850364477