road:0
roads:22
roadster:51
roadway:163
roam:180
roar:254
roar with laughter:336
roast:376
roast meat:449
rob:477
robber:512
robbery:531
robe:544
robust:589
rock:621
rock crystal:690
rocket:720
rocket-powered:755
rocking-chair:796
rocky:824
rod:864
rode:1011
rodent:1024
rodeo:1037
roe:1122
rogue:1144
roguish:1172
roister:1222
role:1251
roll:1266
roll up:1583
roll-call:1623
roller:1644
roller skate:1662
rollick:1693
rolling:1725
rolling mill:1763
Roman:1794
romance:1884
romancer:1992
romantic:2021
romantically:2044
romanticism:2067
romanticist:2105
romp:2124
rontgenogram:2204
rood:2233
roof:2295
roof of the mouth:2329
roofing:2338
roofing felt:2393
rook:2423
room:2492
roomer:2612
roommate:2663
rooms:2690
roomy:2725
roost:2746
rooster:2843
root:2854
root out:2867
rooted:2936
rope:2963
rosary:3152
rose:3164
rosin:3242
rostrum:3259
rosy:3289
rot:3337
rotary:3414
rotate:3462
rotation:3510
rotatory:3550
rotten:3582
rouge:3648
rough:3688
rough and ready:3809
rough it:3876
roughcast:3917
roughen:4044
roughness:4098
round:4142
round trip:4300
round up:4343
round-up:4387
roundabout:4400
roundish:4464
rouse:4487
rouse O.S.:4573
rousing:4601
rout:4639
route:4703
routine:4728
rove:4798
row:4832
row-boat:5016
rower:5042
royal:5062
royals:5110
royalty:5147