rive: fendar; -n: fend-ita.
river: (stream) rivero; (large) fluvio.
rivet: rivet-o; -agar, -izar.
rivulet: river-eto.
roach: (fish) gardio.
road: voyo; cross-r.: kruco-voyo; -way: (for vehicles, highway) choseo; -stead: rado.
roam: (intr.) vagar.
roar: (of winds, waves, thunder, cannon) (intr.) mujar; (of beasts) (intr.) bramar; (in, gen.) (intr.) grondar; r. with laughter: (intr.) rid-egar, laute rid-eskar; igar rid-egar.
roast: (meat, etc.) (tr., intr.) rostar (cf. grilar, koquar); a r.: rost-ajo, rosto-karno; r. beef: rosbifo; to r. coffee: brular kafe-grani.
rob: (steal) furtar (ulo, de ulu) (cf. fraudar); (despoil) spoliar (ulu); (with violence) raptar (ulu, ulo).
robber: (thief) furt-anto, -ero, -isto; (with violence) rapt-anto, -ero, -isto; bandito; -y: -o, -ado; (cf. sustrakto).
robe: vest-izar (ulu, per ulo); metar robo.
robe: (n.) robo; (cf. simaro, sutano).
robin: red-pektoro.
robinia: robinio.
robust: robusta.
rocambole: rokambolo.
rochet: rocheto.
rock: (oscillate) (intr.) ocilar; (a child) bersar; (cf. shancelar, baskular).
rock: (large) rok-o, -ajo; (as substance) petro; (small stone, pebble) stono; r. salt: minerala salo.
rocker: (as of a chair) baskul-ilo; r.-ing chair: baskul-stulo; r.ing-horse: ligna-kavalo (baskul-anta).
rock-oil: petrolo.
rocky: rok-oza, (pebbly) ston-(et)oza.
rococo: rokok-a, -o.
rod: vergo (cf. bastono, stango); (tech.) bielo.
rodent: (gnawing) rod-anta, -ema; (animal) rod-ero.
rodinal: rodinalo.
rodomontade: (person) rodomonto; (bluster) -ajo.
roe: (female deer) cerv-ino; (of fish) frayo; lakt-umo; -buck: kapreolo.
rogation: rogaciono.
rogue: raskalo, fripono; (mischievous person) malic-(ul)o, -oz(ul)o; -ry: -ajo.
roguish: (mischievous) malic-ema (cf. petul-ema; espritoza).
roisterer: (blusterer) rodomonto; (noisy person) bruis-(eg)ulo, -emo; bruis-oza fest-anto.
role: rolo.
roll: (tr., intr.) rular (cf. volvar, turnar, rotacar); r. flat: rul-aplastar, laminar; (rumble with noise) (intr.) rotolar; (of thunder) grondar; (wrap) (en-)volvar.
roll: (act) rul-(ad)o; (material) -ajo; (list) listo, registro; to call the r.: vokar per nomi; to strike off the r.s: efacar (nomo) de la (oficala) registro; a r. of thunder: tondro-stroko, -grondo; r. calclass="underline" nom-vok-ado; a r. of bread: pan-o, -eto.
roller: rul-ilo, rolero, rul-stango, -cilindro; (for metal) lamin-ilo; (small wheel) rot-eto; (wave) ond-ego.
rollicking: (boisterous) petul-anta (cf. fest-anta; joy-oza).
rolling-mill: lamin-erio.
rolling-pin: pasto-rul-ilo.
rolling-stock: veh-il-aro, vetur-aro.
Roman: Rom-ana, -ano; R. Catholic: (Rom-ana) Katolika, -(ul)o; -ism: religio katolika.
romance: (novel) romano; (ballad) romanco; (something romantic) romantik-ajo, -edo; r. languages: Rom-ana lingui.
Romansch: (la) romancha (linguo).
romantic: roman-ala, -atra, -ema; (scenery, style) romantika.
romp: gambolar, fol-ludar (cf. petular).
rondeau, roundelay: rondelo.
rood-loft: jubeo.
roof: tekto; (of the mouth) palato; (of omnibuses) emperialo; r. tile: tegulo; to r. a house: tekt-izar domo; -ed: tekt-iz-ita.
rook: (bird) frugilego; (castle at chess) turmo; to r.: (to castle, intr.) roquar.
rookery: (house) dom-eg-acho, domo kaduka; frugileg-nest-aro.
room: (chamber) chambro; (space) spaco (cf. plaso; loko); lack of r.: manko di spaco; to take up too much r.: okupar tro granda spaco; make r. for: lasar spaco por (ulu, ulo); a set of r.s: chambr-aro, apartamento; there is r. for improvement: esas okaziono (od, motivo) por plu-bon-igo.
roomy: spac-oza.
roost: (intr.) perchar (sur); r.ing place: -eyo, -stango; to go to r.: perch-eskar; (sleep) dorm-eskar.
rooster: han-ulo.
root: (also fig., gram., math.) radik-o; (source) fonto, origino; motivo; kauzo; to take r.: radik-ifar (en); to r. out: extirpar; (disclose) des-kovrar; -ed: radik-iz-ita; (fig.) old-esk-inta, kronika; -let: radik-eto (cf. sproso).
rope: kordo; to r.: ligar (ulo) per kordo; kord-izar; (with a lasso) lazo-kaptar, -ligar; -agar; to give (anyone) full r.: lasar plena libereso; r. ladder: kordo-skalo; r. maker: kord-(if)isto; r. walk: kord-if-erio, -eyo.
ropy: viskozo.
rosary: (rel.) rozario.
rose: roz-o; r. bush: -iero; r.-colo(u)red: -ea; r. colo(u)r: rozo-koloro; roz-atra karnaciono.
rosemary: rosmarino.
roseola: rozeolo.
rosette: roz-atr-ajo.
rosewood: palisandro.
rosin: rezino.
roster: nom-registro, -listo, -kadro.
rostrum: rostro; tribuno.
rot: (intr.) putr-ar, (tr.) -igar; (n.) -o; (of teeth) (intr.) kariar.
rotary: rotac-a, -ala, -anta, -iva.
rotate: (gen.) (intr.) turnar; (around outside point) (intr.) jirar; (on axis) (intr.) rotacar; (tr., sense) -igar (cf. cirkular).
rotation, in: singlu sua-foye o suced-ante; r. of crops: kultiv-alterno, -permuto (di plantac-aji).
rote, by: memore, mashin-atre.
rotifer: rotifero.
rotten: putr-inta; r. tooth: kar-inta dento; (cf. des-kompoz-inta); r. stone: tripolio.
rotund: rond-a, -atra; -ity: rond-eso, -atr-eso.
rotunda: rotondo.
rouge: reda fard-o; to r.: -izar (la vangi).
rough: (in gen.) ruda; (to the touch) aspera, des-glata; (crude, in its natural state) kruda; (bristly) heris-anta; (of the sea) ond-agit-ata, ond-oza; (of the weather) mala, sturm-oza; (of manners) bruska; brut-ala; grosiera; insult-anta; (not exact) proxima, -ig-ala; a r. copy: klado; esbos-uro; a r. estimate: proxima, -ig-anta evaluo o judiko; to treat r.ly: traktar rude; a r. diamond: kruda diamanto; r. glass: ne-glata o ne-polis-ita vitro; a r.: (person) kanali-(ul)o; to r.en: rud-igar, -eskar; to r. out: esbosar.
roulade: rulado.
roulette: ruleto.
round: (adj., n.) rond-a, -o, -ajo; (cf. cirkl-a, -ala; -o); (around; prep., adv.) cirkum, -e; to make r.: rond-igar; to go ar.: (intr.) cirkular; a r. dance: cirkla danso; a policemans r.: rondiro di polic-ano; a r. sum: ronda sumo, tota sumo; to sit ar.: cirkle sid-eskar; in a r.: cirkle; r. writing: rond-atra skrib-ado; r. of a ladder: skalo grado; r. of applause: aplaud-salveo; a r. of artillery: salveo di artilrio; a r. of ammunition: kartocho; to make the r.: facar la rondiro (od, -iri); the earth goes ar. the sun: la tero jiras (od, cirkulas) cirkum la suno; to r. off: komplet-igar; to hand ar.: pas-igar cirlke; all the year r.: dum la tota yaro; to go ar. the garden: facar turo en la gardeno.
roundabout: (adj.) de-turn-anta, ne-direta.
roundelay: rondelo.
rouse: (wake) vek-igar (ulu); (fig.) ecitar, (ri-) vivac-igar; (intr.) vekar (cf. stimular; incitar).