Rational, reasonable and righteous are positive descriptive words. They begin with the letter r.
A six letter word for a bird of prey starting with the letter R is "raptor."
Rain is a weather word. It begins with the letter r.
Rousing, ruling
iter
The nine letter word is renewable.
random
A six letter word for a bird of prey starting with the letter R is "raptor."
RingRangRollRats
re
recover
rotogravure
Rain is a weather word. It begins with the letter r.
runners
Rasta
retreat
iter
Remorse.