i Register
In some senses, moistness is marked as obsolete. Watch for register when choosing this word.
noun
The property of being moist.
Alway remember, that in wynter fleume increaſeth by reaſon of rayne and moyſtneſſe of that ſeaſon, alſo the length of nyghtes and moche reſte. And therfore in that tyme cholerike perſons, are beſt at eaſe, ſemblably are yonge men, but to olde men wynter is ennemye.
That which moistens or makes damp or wet; exuding fluid; liquid in small quantity.
The moistnesse which the roote of a tree suckes becomes a trunke, a leafe, and fruite: And the aire being but one, applied unto a trumpet, becommoth diverse in a thousand sorts of sounds.