Names of all 3 versions
Since the original Final Fantasy, translations has improved. Listed below are the differences of the names. Notice that the PSX version names are very close to the original Japanese Translation for just about everything except some of the magic.
Notes: Original NES Version is the Final Fantasy that was on Nintendo Entertainment System that was released in 1990; the Original Japanese Translation comes from the Japanese Version of Final Fantasy that Red Scarlet posted on GameFAQs; the NTSC U/C PSX version is the Final Fantasy Origins that was released in North America in 2003.
Page 1 - Besitary, Character Names, Town Names, and Magic
Weapons
| Original NES Version | Original Japanese Translation | NTSC U/C PSX Version |
| Rapier | Rapier | Rapier |
| Short Sword | Broadsword | Broadsword |
| Scimtar | Scimitar | Scimitar |
| Saber | Saber | Saber |
| Silver Sword | Mithril Sword | Mythril Sword |
| Rune Sword | Rune Blade | Rune Blade |
| Were Sword | Were Buster | Werebane |
| Falchon | Falchion | Falchion |
| Dragon Sword | Wyrm Killer | Wyrmkiller |
| Long Sword | Long Sword | Long Sword |
| Coral Sword | Coral Sword | Coral Sword |
| Ice Sword | Icebrand | Ice Brand |
| Giant Sword | Great Sword | Claymore |
| Flame Sword | Flame Sword | Flame Sword |
| Defense | Defender | Defender |
| Vorpal | Sharp Sword | Vorpal Sword |
| Sun Sword | Sun Blade | Sunblade |
| Bane Sword | Raise Sabre | Venom Blade |
| Xcalber | Excalibur | Excalibur |
| Masmume | Masamune | Masamune |
| Small Knife | Knife | Knife |
| Large Knife | Dagger | Dagger |
| Silver Knife | Mithril Knife | Mythril Knife |
| Catclaw | Cat Claw | Cat Claws |
| Wooden Staff | Staff | Staff |
| Iron Staff | Tin Staff | Crosier |
| Power Staff | Power Staff | Power Staff |
| Heal Staff | Heal Staff | Healing Staff |
| Wizard Staff | Wizard Staff | Spellbinder |
| Mage Staff | Mage Staff | Mage's Staff |
| Iron Hammer | Hammer | Hammer |
| Silver Hammer | Mithril Hammer | Mythril Hammer |
| Thor Hammer | Thor Hammer | Thor's Hammer |
| Wooden |
Nunchaku | Nunchaku |
| Iron |
Iron Nunchaku | Iron Nunchaku |
| Hand Axe | Battle Axe | Battle Axe |
| Silver Axe | Mithril Axe | Mythril Axe |
| Great Axe | Great Axe | Great Axe |
| Light Axe | Light Axe | Light Axe |
Armor
| NES Version | Original Japanese Translation | NTSC U/C PSX version |
| Wooden Shield | Leather Shield | Leather Shield |
| Iron Shield | Iron Shield | Iron Shield |
| Silver Shield | Mithril Shield | Mythril Shield |
| Buckler | Buckler | Buckler |
| Flame Shield | Fire Shield | Flame Shield |
| Ice Shield | Ice Shield | Ice Shield |
| Opal Shield | Diamond Shield | Diamond Shield |
| Aegis Shield | Aegis Shield | Aegis Shield |
| ProCape | Protect Mantle | Protect Cloak |
| Cap | Leather Hat | Leather Cap |
| Wooden Helmet | Helmet | Helmet |
| Iron Helmet | Big Helmet | Grand Helm |
| Silver Helmet | Mithril Helmet | Mythril Helm |
| Ribbon | Ribbon | Ribbon |
| Opal Helmet | Diamond Helmet | Diamond Helm |
| Heal Helmet | Heal Helmet | Healing Helm |
| Cloth | Cloth | Shirt |
| Wooden Armor | Leather Armor | Leather Armor |
| Chain Armor | Chain Mail | Chain Mail |
| Iron Armor | Iron Armor | Steel Plate |
| Copper Bracelet | Copper Armlet | Copper Armlet |
| Silver Bracelet | Silver Armlet | Silver Armlet |
| Silver Armor | Mithril Mail | Mythril Mail |
| Steel Armor | Knight Armor | Knight's Armor |
| Gold Bracelet | Ruby Armlet | Ruby Armlet |
| Flame Armor | Flame Mail | Flame Mail |
| Ice Armor | Ice Armor | Ice Armor |
| Opal Bracelet | Diamond Armlet | Diamond Armlet |
| Opal Armor | Diamond Armor | Diamond Armor |
| Dragon Armor | Dragon Mail | Dragon Mail |
| Black Shirt | Black Robe | Black Robe |
| White Shirt | White Robe | White Robe |
| Gloves | Leather Gloves | Leather Gloves |
| Copper Glove | Bronze Glove | Bronze Gloves |
| Iron Glove | Steel Glove | Steel Gloves |
| Silver Glove | Mithril Glove | Mythril Gloves |
| Zeus Gauntlet | Gauntlet | Gauntlets |
| ProRing | Protect Ring | Protect Ring |
| Opal Glove | Diamond Glove | Diamond Gloves |
| Power Gauntlet | Giant Glove | Giant's Gloves |
Item
| NES Version | Original Japanese Translation | NTSC U/C PSX Version |
| Heal | Potion | Potion |
| Pure | Antidote | Antidote |
| Tent | Sleeping Bag | Sleeping Bag |
| Cabin | Tent | Tent |
| House | Cottage | Cottage |
| Soft | Gold Needle | Gold Needle |
Key Items
| NES Version | Original Japanese Translation | NTSC U/C PSX Version |
| Lute | Lute | Lute |
| Crown | Crown | Crown |
| Crystal | Crystal Eye | Crystal Eye |
| Herb | Awake Drink | Jolt Tonic |
| TNT | Nitro Chemical | Nitro Powder |
| Mystic Key | Mystery Key | Mystic Key |
| Ruby | Star Ruby | Star Ruby |
| Rod | Earth Rod | Earth Rod |
| Tail | Rat Tail | Rat's Tail |
| Floater | Pumice Stone | Levistone |
| Bottle | Fairy Bottle | Bottled Faerie |
| Oxyale | Air Water | Oxyale |
| Cube | Warp Cube | Warp Cube |
| Slab | Rosetta Stone | Rosetta Stone |
| Chime | Chime | Bell |
| Adamant | Adamantite | Adamantite |
| Canoe | Canoe | Canoe |
Source: GameFAQS, Final Fantasy Origins Official Strategy Guide