Answer:
Everything is made up of different materials and they have different names and also different way to say in english.
Both electromagnetic and physical waves refract and diffract energy. they are both based on light
The correct answer is C, syllable/tillable.
The other options do rhyme, but are not exact rhymes.
1. endurance
2. the elements
3. antiserum
4. musher
5. tundra
6. epidemic
7. indigenous