| A | B |
| placid | to be outwardly calm, composed |
| anachronism | something that is not happening at the proper time |
| chronological | arranged in order of occurrence |
| synchronize | to occur at the same time, simultaneous |
| circumspect | to look around and thus be cautious |
| perspicacity | having keen vision, as in being perceptive, astute |
| specious | seemingly fair or true, but actually not so, deceptive |
| impugn | to challenge the accuracy or honesty of something |
| pugnacious | combative; quick to fight |
| repugnant | offensive, very distasteful, repulsive |
| ecstatic | so happy cluster: elated, exhilarated, exuberant |
| exultant | so happy cluster: elated, exhilarated, exuberant |
| elated | so happy cluster: ecstatic, exultant |
| exhilarated | so happy cluster: ecstatic, exultant |
| exuberant | so happy cluster: ecstatic, exultant |
| despondent | so sad cluster: disconsolate, dispirited |
| dejected | so sad cluster: disconsolate, dispirited |
| disconsolate | so sad cluster: despondent, dejected |
| dispirited | so sad cluster: despondent, dejected |
| dogged | stubborn cluster: stubborn, inflexible, hard to bulge: intractable, intransigent, obstinate |
| obdurate | stubborn cluster: stubborn, inflexible, hard to bulge: intractable, intransigent, obstinate |
| recalcitrant | stubborn cluster: stubborn, inflexible, hard to bulge: intractable, intransigent, obstinate |
| intractable | stubborn cluster: stubborn, inflexible, hard to bulge: Dogged, obdurate, recalcitrant |
| intransigent | stubborn cluster: stubborn, inflexible, hard to bulge: Dogged, obdurate, recalcitrant |
| obstinate | stubborn cluster: stubborn, inflexible, hard to bulge: Dogged, obdurate, recalcitrant |
| clandestine | sneaky cluster: We’ve got a secret! Covert, stealthy, surreptitious |
| furtive | sneaky cluster: We’ve got a secret! Covert, stealthy, surreptitious |
| covert | sneaky cluster: We’ve got a secret! Clandestine, furtive |
| stealthy | sneaky cluster: We’ve got a secret! Clandestine, furtive |
| surreptitious | sneaky cluster: We’ve got a secret! Clandestine, furtive |
| root: "spec"/"spic" | see |
| root: "pug" | fist; fight |
| root: "chron" | time |