Pulverizing Pancake
One of the items that can be exchanged for a TM on the roof of the Celadon Department Store
Fresh Water, Soda Pop, or Lemonade
Any Pokémon that learns Quiver Dance
Palm Tree
Exeggutor / Alolan Exeggutor
This spin-off series is the original Pokémon Isekai
Pokémon Mystery Dungeon
Feebas -> Milotic, before Gen 5
High Beauty
This item, associated with Shuckle, is one of the few to restore a fixed amount of HP
Berry Juice
Any Ability that raises (or can raise) evasion
Moody, Tangled Feet, Sand Veil, Snow Cloak
Bactrian Camel
Camerupt
The only newly playable Pokémon in Smash Ultimate
Incineroar
Inkay -> Malamar
Upside-down console
These baked goods replaced Pokéblocks in Diamond and Pearl
Poffins
Any Town that contains a Pokémon Lab
Pallet, New Bark, Littleroot, Sandgem, Nuvema, Lumiose, Hau'oli, Wedgehurst, Mesagoza
Lei
Comfey
The region that serves as the setting for Pokémon Conquest
Ransei
Eevee -> Sylveon, before Gen 8
2 Hearts of Affection + Fairy-type Move
Eating this "pinch" berry will increase the holder's speed stat in-battle
Salac Berry
Any Gym Leader that uses an off-type Pokémon in a non-rematch core series gym battle
Sabrina, Giovanni, Pryce, Blue, Candice, Volkner, Chili, Cress, Cilan, any Gen 9
Anteater
Heatmor
The only Pokémon in Pokkén Tournament that doesn't appear in any core series game
Shadow Mewtwo
Galarian Farfetch'd -> Sirfetch'd
Land 3 Crits in a single battle
This item is used to awaken the Zen Mode Darmanitan in the Gen 5 games
Rage Candy Bar
Any damaging move that cannot be called by Metronome
Saguaro
Cacturne
This perennially delayed spin-off first announced in 2019 features Snorlax on the key art
Pokémon Sleep
Bramblin -> Brambleghast
Walk 1,000 steps