- : Loco
- [Anagram] As ____as a cucumber : Cool
- [Amend] Furnace fuel : Coal
- [Relational] Early on, these heavy vehicles were often powered by #3 : Trains
- [Amend] A hiker’s routes : Trails
- [Amend] A train’s routes : Rails
- [Amend] Sicknesses : Ails
- [Anagram] Kind of boat : Sail