They look like and are based on regular items. Their short descriptions are the same as their counterpart item, but have "...?" at the end. However, they have differences in their names (usually subtle spelling changes) and will have different effects; sometimes it is the opposite effect of the item it is imitating. Their full descriptions are also different.
List of Lookalike Items
Oren Berry オレソのみOreso Fruit
TREASURE BAG
ONLY IN
GEN IV
Price:50
Sell for:5
Effect:
A food item that deals 10 damage and restores 5 Belly. Look-alike for Oran Berry.
An item that revives a fainted Pokémon...right? And after reviving? It becomes a Plain Seed after use. It can only be used by a Pokémon that knows the Item Master IQ Skill. It is a Lookalike Item for the Reviver Seed, so be careful!
Via Seed じゃあなのタネSee-ya Seed
TREASURE BAG
ONLY IN
GEN IV
Cannot be bought
Sell for:50
Effect:
Makes the user say "See-ya!" and warp to a different place on the floor. Look-alike for Vile Seed.
A food item that causes the user to say, "See ya!" and warp elsewhere on the floor. It also slightly fills the Pokémon's Belly. It is a Lookalike Item for the Vile Seed, so be careful!
Slip Seed すいみんぐのタネSwimming Seed
TREASURE BAG
ONLY IN
GEN IV
Cannot be bought
Sell for:35
Effect:
Allows user to walk on water. Look-alike for Sleep Seed.
A food item that gives the Slip status, where it is possible to walk on water. It also somewhat fills the Pokémon's Belly. It is a Lookalike Item for the Sleep Seed, but you'll be pleasantly surprised when you make a mistake on this one!
Dough Seed ふごうのタネWealth Seed
TREASURE BAG
ONLY IN
GEN IV
Cannot be bought
Sell for:20
Effect:
Increases amount of Poké on next floor of dungeon. Does not work in Aegis Cave. Restores Belly by 5. Look-alike for Doom Seed.
A food item that makes more Poké appear on the next floor. It also somewhat fills the Pokémon's Belly. It is a Lookalike Item for the Doom Seed, but this is one mistake you'll be very happy to make!
Dropeye Seed めくすぐりのタネEyetickle Seed
TREASURE BAG
ONLY IN
GEN IV
Cannot be bought
Sell for:6
Effect:
Decreases the user's line of vision. Look-alike for Eyedrop Seed.
A food item that gives the Dropeye status, where the immediate surrounding area will be dark, even in rooms. It also somewhat fills the Pokémon's Belly. It is a Lookalike Item for the Eyedrop Seed.
Mix Elixir ピーピーマッスグPP Straight
TREASURE BAG
ONLY IN
GEN IV
Price:250
Sell for:25
Effect:
A food item that fully restores PP of all of a Linoone's moves and restores 5 Belly. Look-alike for Max Elixir.
A drink that restores the PP of all moves, but only for Linoone. It also slightly fills the Pokémon's Belly. It is a Lookalike Item for the Max Elixir. Remember, it can only be used on Linoone, so be careful!
Gone Pebble なしのつぶてWithout Throwing Stones
TREASURE BAG
ONLY IN
GEN IV
Cannot be bought
Sell for:2
Effect:
Gives the user an Endure status after a quick scene. Look-alike for Geo Pebble.
This item has a nostalgic feel and causes the user to bring to mind a dearly held memory When this item is used, tears begin to well up, and the user sobs and switches to Enduring status. A Lookalike Item for Geo Pebble.
Gravelyrock ゴローソのいしGorōso Stone
TREASURE BAG
ONLY IN
GEN IV
Price:50
Sell for:5
Effect:
A food item that raises the IQ of Sudowoodo or Bonsly by 10 and restores 10 Belly. If eaten while full, maximum Belly goes up by 5. Look-alike for Gravelerock.
The Gravelyrock is very hard, rock-like candy. When eaten, it somewhat fills the Pokémon's Belly. It permanently raises the IQ of a team member. It only affects Bonsly and Sudowoodo. It is a Lookalike Item for Gravelerock, so be sure to check carefully before using it!
Wander Gummi ふしぎなゴミMysterious Garbage
TREASURE BAG
ONLY IN
GEN IV
Cannot be bought
Sell for:60
Effect:
Causes Blinker status. Look-alike for Wonder Gummi.
While are you holding this, occasionally items in your Treasure Bag will become sticky. It looks a lot like the No-Stick Cap, so be careful not to confuse them!
Gaggle Specs ばっちりメガネOutlook Glasses
TREASURE BAG
ONLY IN
GEN IV
Cannot be bought
Sell for:350
Effect:
Makes Pokémon be more likely to be hit. Look-alike for Goggle Specs.
A held item makes the Pokémon stand out, making it easier to hit by enemies. It looks a lot like the Goggle Specs, so be careful not to confuse them!
Y-Ray Specs みおとしメガネOversight Glasses
TREASURE BAG
ONLY IN
GEN IV
Cannot be bought
Sell for:900
Effect:
Disables the ability to see items and enemies. If held by an enemy or an ally, they will receive the Blink status which causes them to walk forward in a straight line and attack if it cannot move any further. Look-alike for X-Ray Specs.
When the leader is holding this, items and enemies won't appear on the map. If anyone else holds this, they will be affected by the Blinker status. It looks a lot like the X-Ray Specs, so be careful not to confuse them!