| A | B |
| tact, tang, tag, tig- | touch |
| flu, flux- | to flow |
| ord- | oder |
| clud, clus, claus- | to close |
| aud, son, phon- | sound, to hear |
| min, semble, simil, simul- | copy, imitate, to make life, together |
| cred, fid | believe, trust |
| duc, duct- | lead, take, bring |
| spond, spons, spous- | promise, answer for, pledge |
| cit, civ, poli, polis, polit- | citizen, city, state |
| pot, pos, val- | power, to be strong |
| leg, lect- | law, choose, gather, select, read |
| men, mon, min- | to think, remind, advise, warn |
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