Leveling Up: Raticate learns these moves by leveling up:
* Normal: Tackle, Tail Whip, Quick Attack, Growl, Hyper Fang, Fury Swipes, Super Fang, Crunch, Extreme Speed, Double-Edge
* Fighting: Bite, Body Slam, Take Down, Facade
* Flying: Aerial Ace
* Poison: Poison Fang
* Ground: Dig, Earthquake, Mud-Slap
* Rock: Rock Tomb, Stone Edge
* Bug: Pin Missile
* Ghost: Lick, Shadow Claw
* Dragon: Outrage
* Dark: Night Slash, Assurance
* Steel: Iron Head
* Fairy: Fairy Wind
TMs and HMs: Raticate can also learn moves by using TMs and HMs:
* Normal: Return, Frustration, Double-Edge, Facade, Swift, Substitute, Last Resort, Hidden Power, Sleep Talk, Swords Dance, U-turn, Endure, Secret Power, Quick Guard, Protect, Detect, Safeguard, Will-O-Wisp, Memento, Facade, Helping Hand, Brick Break, Covet, Thief, Round, Follow Me, Nature Power, Mirror Coat, Copycat, Swagger, Confide
* Fighting: Low Kick, Brick Break, Cross Chop, Focus Blast, Drain Punch, Close Combat
* Flying: Aerial Ace, Fly, Air Slash, Brave Bird
* Poison: Toxic, Sludge Bomb, Venoshock
* Ground: Earthquake, Dig, Mud-Slap, Bulldoze
* Rock: Rock Tomb, Stone Edge, Ancient Power, Rock Slide, Rock Blast
* Bug: Bug Buzz, X-Scissor, U-Turn
* Ghost: Shadow Claw, Shadow Ball, Lick, Phantom Force, Trick-or-Treat
* Dragon: Outrage, Draco Meteor, Dragon Pulse, Dragon Claw, Dragon Tail
* Dark: Night Slash, Crunch, Dark Pulse, Foul Play, Thief
* Steel: Iron Head, Flash Cannon, Heavy Slam, Meteor Mash
* Fairy: Dazzling Gleam, Moonblast, Fairy Wind, Mystical Fire
* Ice: Ice Shard, Ice Fang, Ice Beam, Blizzard, Freeze-Dry
* Electric: Thunderbolt, Thunder, Thunder Wave, Discharge
* Psychic: Psychic, Psybeam, Psycho Cut, Future Sight, Calm Mind, Zen Headbutt, Signal Beam
* Water: Hydro Pump, Surf, Muddy Water, Waterfall, Aqua Jet, Scald, Rain Dance
Egg Moves: Raticate can learn these moves by breeding:
* Normal: Quick Attack, Double-Edge
* Fighting: Quick Attack, Body Slam, Low Kick, Close Combat
* Flying: Quick Attack, Aerial Ace
* Poison: Quick Attack, Poison Fang, Venoshock, Sludge Bomb
* Ground: Quick Attack, Dig, Earthquake
* Rock: Quick Attack, Rock Tomb, Stone Edge
* Bug: Quick Attack, Pin Missile, Bug Buzz, X-Scissor
* Ghost: Quick Attack, Shadow Claw, Shadow Ball
* Dragon: Quick Attack, Outrage
* Dark: Quick Attack, Night Slash, Crunch, Assurance, Foul Play
* Steel: Quick Attack, Iron Head
* Fairy: Quick Attack, Fairy Wind, Dazzling Gleam
Tutor Moves: Raticate can learn these moves by using a Move Tutor:
* Normal: Covet, Facade, Last Resort, U-turn, Endure, Swords Dance, Hidden Power, Will-O-Wisp, Memento, Helping Hand, Thief, Round, Follow Me, Nature Power, Mirror Coat, Copycat, Swagger, Confide
* Fighting: Low Kick, Drain Punch, Cross Chop, Focus Blast, Close Combat
* Flying: Fly, Air Slash, Brave Bird
* Poison: Toxic, Sludge Bomb
* Ground: Earthquake, Dig, Mud-Slap, Bulldoze
* Rock: Rock Tomb, Stone Edge, Ancient Power, Rock Slide, Rock Blast
* Bug: Bug Buzz, X-Scissor
* Ghost: Shadow Claw, Shadow Ball, Phantom Force, Trick-or-Treat
* Dragon: Outrage, Draco Meteor, Dragon Pulse, Dragon Claw, Dragon Tail
* Dark: Night Slash, Crunch, Dark Pulse, Foul Play
* Steel: Iron Head, Flash Cannon, Heavy Slam, Meteor Mash
* Fairy: Dazzling Gleam, Moonblast, Mystical Fire
* Ice: Ice Shard, Ice Fang, Ice Beam, Blizzard, Freeze-Dry
* Electric: Thunderbolt, Thunder, Thunder Wave, Discharge
* Psychic: Psychic, Psybeam, Psycho Cut, Future Sight, Calm Mind, Zen Headbutt, Signal Beam
* Water: Hydro Pump, Surf, Muddy Water, Waterfall, Aqua Jet, Scald, Rain Dance
Note: Raticate's ability to learn some moves might change depending on the generation of the game you're playing.