| Vocable | Translation |
| circumquaque Adverb | on every side, all around |
| circumscriptorie Adverb | by fraud/deceit |
| circumsecus Adverb | round about, around, round, in parts/region aroun… |
| circumundique Adverb | round about on all sides, from everywhere around |
| Circus Maximus Phrase | still in translation |
| cis Preposition | on/to this/near side of, short of, before, within… |
| citatim Adverb | hurriedly, quickly, speedily, hastily |
| citerius Adverb | short of, to a lesser degree than |
| cito Adverb | quickly, fast, rapidly |
| citra Adverb | on this/near side of, towards, nearer, short of t… |
| citro Adverb | to this side, on/by both sides/parties, [w/ultro/… |
| civibus legem imponere Phrase | still in translation |
| civibus providere Phrase | still in translation |
| clam Adverb | secretly, in secret, unknown to, privately, cover… |
| Clamor oritur. Phrase | still in translation |
| Clamor oritur. Phrase | still in translation |
| clanculo Adverb | secretly, privately (L+S) |
| clanculum Adverb | secretly, by stealth, sub rosa, privately (L+S) |
| clandestino Adverb | secretly, clandestinely |
| claritus Adverb | clearly, distinctly |
| Clifton Phrase | still in translation |
| coacervatim Adverb | in/by heaps |
| coactim Adverb | briefly, concisely, shortly |
| cochleatim Adverb | spirally, like a snail shell |
| cocleatim Adverb | spirally |
| coco Interjection | crow of cock, cock-a-doodle-doo, hen-clucking (L+… |
| coelitus Adverb | from heaven, heavenly, from the Emperor (L+S), di… |
| cogitatim Adverb | carefully, with thought/reflection |
| cognoscibiliter Adverb | recognizably, discernibly |
| collectim Adverb | summarily, briefly |