The prefix "Syn" means united; or working together. Here are some examples:
Symmetry, Sympathy, and Synonym. I hope I helped!
They ratified the constitution by state legistlatures voting and included a bill of rights to prevent the government from taking their rights away.
California Highway Patrol. The "i" doesn't have a meaning.
1) When
2) If
3) If
4) If
5) When
Hope this helps!