COMMISSURE n. 4 definitions
A joint, seam, or closure; the place where two bodies, or parts of a body, meet and unite; an interstice, cleft, or juncture.
DISCLOSURE n. 2 definitions
The act of disclosing, uncovering, or revealing; bringing to light; exposure. He feels it [his secret] beating at his heart, rising to his throat, and demanding disclosure. D. Webster.