i Register
In some senses, ankylosis is marked as figuratively. Watch for register when choosing this word.
noun
The growing together of bones to form a single unit.
The stiffening of a joint as the result of such abnormal fusion.
An onset of stiffness or inflexibility.
Yet in using the word democracy, one must plead for a distinction, or, better, a reversion, indicated by the curious anchylosis that, at a certain point in their maturity, usually sets in upon words newly put in use to express some august and large spiritual reality.