Here are the possible solutions for they have chapters clue
Answer
Clue
Relevancy
unions
Clue
They may have many chapters
They have chapters
Many have chapters
epic
Clue
It may have many chapters
Definition
large-scale
newt
Clue
Gingrich who said "females have biological problems staying in a ditch for thirty days because they get infections and they don't have upper body strength"
Definition
a tailed amphibian of the salamander family, also EWT
acts
Clue
Play chapters
Definition
ACT, to do something in a specified way
aeons
Clue
Earth science chapters
Definition
AEON, the largest division of geological time, composed of several eras, also EON