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 apparent answer behind this phenomenon is that 360Fanatic's save was old enough that it went back to before cats and ocelots became separate mobs.
Source: https://gamerant.com/minecraft-massive-cat-old-world/