- speleological24
- stereological20
- symptomatological35
- synecological26
- tautological20
- technological26
- teleological20
- teratological20
- terminological25
- thanatological24
- theological20
- topological21
- toxicological30
- tribological22
- tropological22
- typological23
- ufological21
- unchronological30
- unecological24
- unideological23
- urological18
- vexillological34
- virological22
- volcanological30
- zoological26