We should also include the Spanish badwords/informals in the Catalan model.
You can find features for Spanish Badwords/Informals here: https://github.com/wikimedia/editquality/blob/master/editquality/feature_lists/eswiki.py#L5
They should be added to the cawiki feature list here: https://github.com/wikimedia/editquality/blob/master/editquality/feature_lists/cawiki.py#L38