reg: re'gent; re'gency; reg'imen (Lat. n. reg'imen, that by which one guides or governs anything); reg'iment (Lat. n. regimen'tum); re'gion (Lat. re'gio, regio'nis, a region); cor'rigible (Lat. v. corrig'ere = con + reg'ere); incor'rigible.
rect: rec'tify; rec'titude; rec'tor (-ory); correct' (Lat. v. corrig'ere = con + reg'ere), to remove faults; direct' (-ion, -or, -ory); erect'; insurrec'tion; resurrec'tion.
Re'gal (Lat. n. rex, re'gis, a king); rega'lia; reg'icide (Lat. v. cæd'ere, to kill); reg'ular (Lat. n. reg'ula, a rule); reg'ulate; realm (Old Fr. realme, from Lat. adj. rega'lis, royal); reign (Fr. n. règne = Lat. reg'num); corrigen'da (sing. corrigen'dum), things to be corrected; dress (Fr. v. dresser = Lat dirig'ere); address' (Fr. v. adresser, to direct); redress' (Fr. v. redresser = Lat. re + dirig'ere), to rectify, to repair; source (Fr. n. source, from Lat. sur'gere, to spring up); surge; insur'gent (Lat. v. insur'gere).
174. RI'VUS, a river.
riv: ri'val (Lat. n. riva'lis, one who used a brook in common with another); ri'valry; outri'val; riv'ulet (Lat. n. riv'ulus, diminutive of ri'vus); derive' (literally, to receive as from a source); deriva'tion; deriv'ative.
175. ROGA'RE: ro'go, roga'tum, to ask.
rog: ar'rogant, proud, overbearing; ar'rogance; prorogue' (Fr. v. proroger = Lat. proroga're).
rogat: ab'rogate; to repeal; ar'rogate, to assume; arroga'tion; derog'atory, detracting; inter'rogate (-ion, -ive, -ory); prerog'ative (literally, that is asked before others for an opinion: hence, preference), exclusive or peculiar right or privilege; proroga'tion, prolonga'tion; superer'ogate (Lat. super + eroga're, to spend or pay out over and above), to do more than is necessary; supereroga'tion.
176. RUM'PERE: rum'po, rup'tum, to break.
rupt: rupt'ure, to part violently; abrupt' (-ly, -ness); bank'rupt (It. n. banco, a merchant's place of business); bank'ruptcy; corrupt' (-ible, -ion); disrup'tion; erup'tion; interrupt' (-ion); irrup'tion; irrup'tive.