Common Words:
* Ador
* Ardor
* Door
* Odor
* Sodor (a fictional island in the Thomas the Tank Engine series)
Less Common Words:
* Abhor
* Aphor
* Bodor (a place name)
* Cador (a place name)
* Cidor (a type of cider)
* Dador (a type of tree)
* Endor (a fictional planet in Star Wars)
* Fodor (a surname)
* Gador (a place name)
* Lodor (a place name)
* Mordor (a fictional land in Tolkien's Lord of the Rings)
* Rodor (a place name)
* Sador (a place name)
* Tador (a place name)
* Udor (a place name)
* Vodor (a place name)
Technical/Scientific Terms:
* Condor (a type of bird)
* Glider (an aircraft without an engine)
* Moderator (someone who controls a discussion)
* Protector (someone who protects)
* Regressor (in statistics)
* Tensor (in mathematics)
* Tractor (a vehicle used for pulling)
Other:
* Sleddor (a type of sled)
* Plodder (someone who walks slowly)
* Splendor (great beauty)
* Wanderer (someone who travels without a specific destination)
* Yonder (over there)
Note: This list is not exhaustive. There are many other words ending in "dor", including proper nouns and less common terms.