6 points: relist
5 points: reins, relit, rents, resin, resit, riels, riles, rinse, risen, rites
4 points: rein, reis, rent, rest, rets, riel, rile, rins, rise, rite
2 points: re
rod
a synonym for slow beginning with the letter r is retard
Enlist is already a verb. For example "to enlist in something" or "to enlist someone" is an action and therefore a verb.
Yes, your military 201 (personnel) file is open for review if you re-enlist. There is an "R Code" given upon discharge. This determines when and if you may re-enlist. If you are inelligible, you will be notified. If you are currently re-enlisted, and it is determined later that you were inelligible, you will be removed from service.
The name of a full turn, beginning with the letter "r", would probably be rotation.
a ring?
Rochester!
no
rayon
clothing beginning with R: * rain coat * racing suit * robe * rugby shirt
To enlist in something again.
The R tile is worth 1 point in Scrabble.