| A | B |
|---|
| accurate | exact,precise; true, careful |
| alert | attentive,vigilant; a signal; to notify, inform |
| ancestor | a forerunner,forebear,forefather, foremother |
| disaster | tragedy,catastrophe,calamity,misfortune,trouble |
| elementary | basic,beginning,fundemental,introductory |
| envy | jealousy, desire,greed; to covet,begrudge |
| epidemic | catching, infectious,rife,widespread,universal; an infection,plague |
| feeble | weak,frail,faint,fragile |
| penetrate | to pass through,pierce,puncture; to see;to grasp,realize |
| romp | a lark,frolic,sport,caper; to caper,frolic,skip, bound |
| staple | necessities;basics;basic;main,important, essential |
| survive | to live, persisit; to endure, last,withstand; to outlive |
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