- Rotation Noun Adj
- Rotator Noun Adj
- Rotatorium Noun
- Rotavirus Noun Adj
- Rotaxane Noun Adj
- Rotblasting Noun Pres. Participle
- Rote Noun Adj
- Rotenone Noun Adj
- Rotgut Noun Adj
- Roth Noun Pnoun Adj
- Rotifer Noun
- Rotisserie Noun Adj
- Rotoconditioner Noun Adj
- Rotodome Noun Adj
- Rotoflector Noun Adj
- Rotograph Noun Verb Adj
- Rotogravure Noun Adj
- Rotolouver Noun Adj
- Rotomatic Adj Noun
- Rotor Noun Adj
- Rotorcraft Noun Adj
- Rotoring Noun Adj
- Rotoscope Noun Verb
- Rototiller Noun Adj
- Rotovator Noun
- Rotproofing Noun Pres. Participle
- Rottenness Noun
- Rottenstone Noun Adj
- Rotter Noun Pnoun
- Rotterdam Noun Pnoun Adj
- Rotting Adj Noun
- Rottweiler Noun Adj
- Rotunda Noun Pnoun
- Rotundity Noun
- Rotundness Noun
- Roturier Noun Adj
- Rouble Noun Adj Adj
- Roudness Noun
- Roue Noun Adj
- Rouen Noun Pnoun Adj
- Rouge Noun Verb Adj
- Rough Adj Noun Verb Adv
- Roughage Noun Adj
- Roughcast Noun Verb Adj
- Roughener Noun Adj
- Roughening Noun Pres. Participle
- Rougher Noun Adj
- Roughhouse Noun Verb Adj
- Roughhousing Noun Pres. Participle
- Roughing Noun Pres. Participle
- Roughneck Noun Adj Verb
- Roughness Noun
- Roughrider Noun Pnoun
- Rouging Noun Pres. Participle
- Roulade Noun Adj
- Rouleau Noun Adj
- Roulette Noun Verb Adj
- Rouletting Noun Pres. Participle
- Round Adj Noun Prep Verb Adv
- Round-off Noun Adj