There are 18 words that end with 'eology'.
| geology | neology | areology |
| ideology | rheology | theology |
| museology | paleology | osteology |
| teleology | balneology | archeology |
| speleology | praxeology | stereology |
| archaeology | phraseology | photogeology |
Note: These 18 words that end with 'eology' are found from the USA & Canada version of the tournament Scrabble word list.