Suppress Curse specifically says "curse or negative magical effect." There should be no good or evil aspect. If a Questor of Lochust or Floranuus or even Garlen herself used a Power against you that had an ongoing negative portion, then Suppress Curse should work.
I like the clean cut of Spell, Talent, Power.
To further add to the ideas already presented:
Spells: ad hoc or temporary Patterns created through Threadweaving and Spellcasting
Talents: magical Patterns that are trained over and over again to allow Adepts to perform magical feats
Powers: innate or granted Patterns giving creatures, Horrors, Passions, etc., ability to perform magical feats, with no training required to learn them (though they may need training to get better)
Powers can then be further broken down by source (Horror, Passion) and whether innate (Horrors, Passions, creatures) or granted (Questors, Horror Cultists [make this a thing, please!]).