| A | B |
| junct | join |
| syn | together |
| civ | citizen |
| cap | head |
| synagogue | an assembly of Jews for worship and religious study; a building or place used by Jews for worship and religious study |
| synapse | the point of contact between adjacent neurons, where nerve impulses are transmitted from one to the other |
| synchronize | to move or occur at the same time or rate |
| syndicate | an association of individuals or corporations formed to carry out some financial project requiring much capital; any group organized to further some undertaking, specifically an association of criminal set up to control vice, gambling, etc. |
| syntax | the arrangement of words as elements in a sentence to show their relationship to one another; sentence structure |
| synthetic | produced by chemical synthesis rather than of natural origin; not real or genuine, artificial |
| injunction | a writ or order from a court prohibiting a person from carrying out a given action, or ordering a given action to be done; command, order |
| conjunction | a joining together or being joined together; union; a word used to connect words, phrases, clauses, or sentences; an occurring together, coincidence |
| junction | a joining or being joined; a place or point of joining or crossing, as of highways or railroads |
| adjunct | a thing added to another, but secondary to it |
| civic | of a city, citizens, citizenship; branch of political science that deals with civic affairs |
| civil | of a citizen(s) (civil rights) |
| civilian | any person not an active member of the armed forces |
| civilization | the condition of being civilized |
| civilize | to bring or come out of state of primitive or savage |
| capitulate | stop resisting; surrendering conditionally |
| decapitate | to behead |
| capital | seat of government most important or most serious |
| capitol | building in which the U.S. or State congresses meet |
| captain | leader of a specific group; a military leader |
| caption | a heading or title, as of a newspaper article; a descriptive title or legend, as under an illustration |