חפשו מילה כלשהי, כמו kappa:
 
1.
1.the amount of unyeilding surface or texture (as in an object or body)

2. a replacement for firmness
the wrestler's body had a firmth brought only by years of weight-lifting and heavy training.
מאת kara boothby 21 במרץ, 2006

Words related to firmth

firm firmness hard rock solid solidity stone strength
 
2.
adj - To maintain or contain the qualities of firmness.
The firmth of the broomstick was most solid.
מאת B-Money in da houz 21 במרץ, 2006