Rainman
Any plant that starts with an R will do - like ragweed or roses.
eyelet
ration
rADIOLOGIST
rail
Retinae.
Roots
The Retina.
ribs
One of the more important body parts that starts with 'r' is the retina. It is an important part of the eye. Another important part are ribs.
The revolving turret begins with the letter r. The rack stop begins with the letter r.
R Plant has written: 'Comparison of the strength of the diagonal fence strainer to the horizontal fence strainer'
ribs retina (part of the eye) ring finger radius (arm bone)
organ sword rectum RCM
A wire fence point is called a barb. It begins with the letter b.
Ribs, rectum, red blood cells(?).