con·cen·tric 
(kən-sĕntrĭk) also con·cen·tri·cal (-trĭ-kəl)
(kən-sĕntrĭk) also con·cen·tri·cal (-trĭ-kəl)adj.
Having a common center.
[Middle English concentrik, from Medieval Latin concentricus : Latin com-, com- + Latin centrum, center; see CENTER.]
con·centri·cal·ly adv.
con′cen·trici·ty (kŏn′sĕn-trĭsĭ-tē) n.
concentric- behemoth
- behest
- behind
- behind back
- behind bars
- behindhand
- behind (one's) back
- behind one's back
- behind the eight ball
- behind-the-scenes
- behind the scenes
- behind the times
- behind the wheel
- Behn
- be hoist with one's own petard
- behold
- beholden
- beholder
- save (one's) breath
- save one's breath
- saver
- savin
- savine
- saving
- saving clause