Noun

(uncountable) the state of being narrow

{{quote-Fanny Hill, part=3 , presently, then, I felt the stiff insertion between the yielding, divided lips of the wound, now open for life; where the narrowness no longer put me to intolerable pain, and afforded my lover no more difficulty than what heighten'd his pleasure, in the strict embrace of that tender, warm sheath, round the instrument it was so delicately adjusted to}}

(countable) a constriction

Noun

(wikipedia secrecy)

Concealment; the condition of being secret or hidden.

*

*:Carried somehow, somewhither, for some reason, on these surging floods, were these travelers,. Even such a boat as the Mount Vernon offered a total deck space so cramped as to leave secrecy or privacy well out of the question, even had the motley and democratic assemblage of passengers been disposed to accord either.

The habit of keeping secrets.