Dark ghost and bug type moves
poison Pokemon are weak to physic Pokemon
Flying and Psychic are super effective against fighting
They are super effective against Grass, Dark and Psychic types.
Ground and Psychic
Flying and Psychic.
Ground and psychic type attacks are both super-effective against a poison type pokemon.
Ghost & Flying. I believe that's it! Not dark or bug because although they're super-effective against Psychic, they are not-effective against Fighting. And not Psychic, because though it's super-effective against Fighting, it's not-effective against Psychic.
Psychic and Ghost
Flying and Psychic are super effective against fighting
psychic pokemons and attacks are super effective
Bug types are super effective against Dark, Grass and Psychic (x2) in Generation II-onward. In Generation I, they were super effective against Grass, Poison and Psychic.
They are super effective against Grass, Dark and Psychic types.
Rock, electric, ice, and psychic types are super effective against Crobat.
Ground and Psychic
Flying and Psychic.
Psychic Pokemon are Super effective by Bug type, Dark type and Ghost types
Psychic and flying types are super effective against fighting types.
If your Reffering to pokemon,its fighting a bug