| A | B |
| fid- | forth, trust |
| affidavit | sworn written statement made before an authorized official |
| bona fide | made or carried out in good faith; genuine |
| confidant | one to whom secrets are entrusted |
| diffident | lacking faith in oneself; timid; shy |
| fidelity | faithfulness to a trust or vow |
| infidel | an unbeliever |
| perfidious | false to a trust; faithless |
| gress(grad)- | step, walk, go |
| egress | an exit; a way out |
| gradation | a change by steps or stages |
| gradient | rate at which a road or track uses; slope |
| graduated | arrayed in regular steps, stages, degrees |
| regressive | tending to move backward |
| retrograde | becoming worse; going backward |
| transgress | step beyond the limits; break a law |
| cur (curs)- | run |
| concur | agree; happen together, concide |
| concurrent | occuring at the same time |
| cursive | flowing or running together |
| cursory | running over hastily; superficially done |
| discursive | wandering from one topic to another |
| excursion | going forth, as on an expedition |
| incursion | hostile invasion; raid |
| precursor | forerunner; predecessor |
| recur | to happen again |
| ped- | of the foot |
| biped | two-footed animal |
| expedite | to facilitate; accelerate; speed up |
| impede | to hinder, obstruct progress |
| pedestrian | one who is walking; commonplace, dull |
| impediment | hinderance or obstacle |
| pedestal | a support or foot for a column, statue, table |
| tort- | twist |
| extort | to take from a peron by force |
| tortous | full of twists and curves |
| retort | a quick, sharp reply |
| vor- | eat greedily |
| carniverous | flesheating |
| herbivorous | plant eating |
| omnivorous | eating both plants and flesh |
| voracious | greedy in eating; instatiable |
| string- | bind/draw tight |
| strict- | tightly bound; rigid |
| astringent | substance which shrinks tissue |
| stricture | strong, adverse criticism |
| stringent | severe; strict |
| constrict | to draw tightly together |
| vict- | conquer |
| evict | expel by legal process |
| evince | to show clearly |
| invincible | incapable of being conquered |
| vanquish | to overcome in battle; conquer |
| fract- | to break |
| fractious | apt to break out in a passion; irritable; cross |
| refract | to bend back as a ray of light, heat, sound |
| refractory | unwilling to bend to fit the rules or regulations |
| viv- | live, alive |
| convivial | friendly; sociable; enjoys being with others |
| vivacious | lively; full of life |
| vivacity | liveliness |
| vivify | to make more lively |