re·lax·in 
(rĭ-lăksĭn)
(rĭ-lăksĭn)n.
A female hormone secreted by the corpus luteum that helps soften the cervix and relax the pelvic ligaments in childbirth.
- behead
- beheld
- 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