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.
Brassius actually used his Sudowoodo for this battle, a Rock-type that looks like it should be Grass.
Source: https://screenrant.com/pokemon-horizons-roy-ash-gym-battle/
The monster is weak against Dragon, Fairy, Ice, and Rock-type moves but can resist Grass, Ground, Bug, Fighting, Fire, and Water-type attacks.