List of Greek and Latin roots in English/R
Lists of Greek and Latin roots in English beginning with other letters:
R
| Root |
Meaning in English |
Origin language |
Etymology (root origin) |
English examples
|
| rad-, ras- |
scrape, shave |
Latin |
rādere, rāsus |
abrade, abrasion, abrasive, corrade, corrasion, erase, erasure, nonabrasive, radula, radular, raduliform, rase, rash, rasorial, raster, rasure, subradular
|
| radi- |
beam, spoke |
Latin |
radius, radiāre |
radiance, radiation
|
| radic- |
root |
Latin |
rādix, rādīcis |
eradicate, radical, radix
|
| ram- |
branch |
Latin |
rāmus |
ramification, rammel, ramose, ramous, ramulose, ramulous
|
| ran- |
frog |
Latin |
rāna |
Rana
|
| ranc- |
rancidness, grudge, bitterness |
Latin |
rancere |
rancid, rancor
|
| rap- |
rob, seize |
Latin |
rapere, raptus |
arreption, arreptitious, enrapt, enrapture, rapacious, rapacity, rape, rapid, rapidity, rapine, rapt, raptio, raptor, raptorial, rapture, rapturous, raptus, ravenous, ravine, ravish, subreption, subreptitious, surreptitious
|
| rap- |
turnip |
Latin |
rāpum |
rapeseed
|
| raph-[1] |
sew, seam |
Greek |
ῥάπτειν (rháptein), ῤαφή (raphḗ) |
raphae, raphe
|
| rar- |
rare |
Latin |
rārus |
rarity
|
| rauc- |
harsh, hoarse |
Latin |
raucus |
raucous
|
| re-, red- |
again, back |
Latin |
re- |
recede, redact
|
| rect-, reg-, -rig- |
straight, direct |
Latin |
regere "to direct, lead straight, guide", related rectus "straight, right" |
correct, direct, dirigible, erect, erection, ergo, rectangle, rectify, rectitude, rectum, regent, regime, regimen, regiment, region, surge
|
| reg-, rex- |
king |
Latin |
rex (genitive regis) |
regal, regency, regicide, Regis, regulation, reign, rex, royal
|
| regul- |
rule |
Latin |
rēgula "to rule" |
regular, regulate, regulation, rule
|
| rem- |
oar |
Latin |
rēmus |
bireme, trireme
|
| ren- |
kidney |
Latin |
rēnēs |
renal
|
| rep-, rept- |
crawl, creep |
Latin |
rēpere, reptus |
reptile
|
| resid- |
left behind |
Latin |
residere "remain behind" (see also sedere) |
reside, residence, resident, residual, residue
|
| ret- |
net |
Latin |
rēte |
reticle, retina
|
| retro- |
backward, behind |
Latin |
retrō |
retrograde, retrospective, retrovirus
|
| rhabd-[2] |
rod |
Greek |
ῥάβδος (rhábdos) |
Rhabdodon, rhabdoid, rhabdom, rhabdomancy, rhabdomyolysis, rhabdomyosarcoma
|
| rhach-, rach- [3] |
spine |
Greek |
ῥάχις, ῥάχεως (rhákhis, rhákheōs) |
rachipagus, rachis, rachischisis, rhachiodont, rhachis
|
| rhag-, rheg-[4] |
rend, tear |
Greek |
ῥηγνύναι (rhēgnúnai), ῥαγίζω, ῥῆξις (rhêxis), ῥῆγμα (rhêgma) |
bronchorrhagia, hemorrhage, menorrhagia, regma, rhagades, rhegma, rhegmatogenous, rhexis
|
| rhe-[5] |
flow |
Greek |
ῥεῖν (rheîn), ῥυτός (rhutós), ῥύσις (rhúsis), ῥεῦμα (rheûma), ῥοία (rhoía), ῥυθμός (rhuthmós) |
antiarrhythmic, arrhythmia, arrhythmic, diarrhoea, dysrhythmia, endorheic, eurhythmia, eurhythmic, eurhythmy, gonorrhoea, hemorrhea, logorrhea, polyrhythm, rheology, rheometer, rheostat, rheum, rheumatic, rheumatism, rheumatoid, rheumatology, rhythm, rhythmic, rhyton
|
| rhetin-[6] |
resin |
Greek |
ῥητίνη (rhētínē), ῥητινώδης, ῥητινόω |
retinite
|
| rhig-[7] |
chill |
Greek |
ῥῖγος (rhîgos) |
rhigosaurus
|
| rhin-[8] |
nose, snout |
Greek |
ῥίς, ῥινός (rhís, rhinós) |
catarrhine, haplorhine, platyrrhine, rhinoceros, rhinophyma, rhinoplasty, strepsirrhine
|
| rhiz-[9] |
root |
Greek |
ῥίζα (rhíza), ῥιζοῦν (rhizoûn), ῥίζωμα (rhízōma) |
ectomycorrhiza, rhizoid, rhizomatous, rhizome, rhizomorph, rhizomorphous, rhizophagous, rhizophagy, Rhizopogon, Rhizopus, rhizosphere
|
| rho-[10] |
R, r |
Greek |
Ρ, ρ, ῥῶ (rhô) |
rho, rhotacism, rhotacize, rhotic
|
| rhod-[11] |
rose |
Greek |
ῥόδον (rhódon) |
rhododendron, rhodophyte, rhodopsin, rhodophobia
|
| rhomb- |
spinning top |
Greek |
ῥόμβος (rhómbos) |
orthorhombic, rhomb, rhombic, rhomboid, rhombus, rhumb
|
| rhynch-[12] |
snout |
Greek |
ῥύγχος (rhúnkhos) |
Oncorhynchus, Rhynchobatus, rhynchophore
|
| rid-, ris- |
laugh |
Latin |
ridere "to laugh" (past participle risus) |
deride, derision, ridicule, ridiculous, risible
|
| robor- |
oak, strength |
Latin |
rōborāre "to strengthen", from rōbur, rōbus "strength" |
corroborant, corroborate, corroboration, corroborative, corroborator, robust
|
| rod-, ros- |
gnaw |
Latin |
rōdere, rōsus |
corrode, erosion, rodent
|
| rog- |
ask |
Latin |
rogāre |
abrogate, arrogant, arrogate, derogate, derogation, derogatory, interrogation, prerogative, prorogue, rogation, rogue, surrogate
|
| rostr- |
beak, prow |
Latin |
rōstrum |
brevirostrate, curvirostral, lamellirostral, rostellate, rostelliform, rostellum, rostral, rostrate, rostriform, rostrulum, rostrum
|
| rot- |
wheel |
Latin |
rota, rotāre |
arrondissement, circumrotation, contrarotation, control, controller, decontrol, enroll, enrollee, enrollment, irrotational, multirole, multiroll, redondilla, reenroll, rodeo, role, roll, rondeau, rondel, rondelle, rondo, rotary, rotate, rotation, rotational, rotator, rotatory, rotavirus, rotelle, rotifer, Rotifera, rotiferous, rotiform, rotula, rotund, rotunda, rotundifolious, rotundity, roulette, round, roundel, roundelay, roundlet, rowel, semiround
|
| ruber-, rubr- |
red |
Latin |
ruber |
erubescence, erubescent, rubella, Rubio, rubious, rubric, rubricate, rubrication, rubricator, ruby
|
| rudi- |
unskilled, rough, unlearned |
Latin |
rudis |
erudite, erudition, rude, rudiment, rudimentary, rudity
|
| rug- |
wrinkle |
Latin |
rūga, rugare |
corrugant, corrugate, corrugation, erugate, rugose
|
| rumin- |
throat |
Latin |
rūmen, rūminis |
rumen, rumenic acid, ruminal, ruminant, ruminate, rumination, ruminator
|
| rump-, rupt- |
break, burst |
Latin |
rumpere, ruptus |
abrupt, abruption, corrupt, corruptible, corruption, corruptor, disrupt, disruption, disruptive, disruptor, disrupture, erumpent, erupt, eruption, eruptive, incorrupt, incorruptibility, incorruptible, interrupt, interruptible, interruption, irrupt, irruption, irruptive, maleruption, noneruptive, reroute, rout, route, routine, rupture, subroutine, supereruption
|
| rur- |
countryside, farm |
Latin |
rūs, rūris |
nonrural, roister, roisterous, rural, rustic, rusticate, rustication, rusticity
|
References
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