What's the difference between condign and condignity?

Condign

Definition:

• (a.) Worthy; suitable; deserving; fit.
• (a.) Deserved; adequate; suitable to the fault or crime.

Example Sentences:

• (1) His rich vocabulary , including such rarely used words as "bailiwick", "condign", "propinquity" and "occlude", lifted the tone of the long sessions before Lord Justice Leveson.
• (2) Whatever you think of American capitalism, one of its redeeming features is the aggressive pursuit and condign punishment of those who abuse, rig and defraud markets.

Condignity

Definition:

• (n.) Merit, acquired by works, which can claim reward on the score of general benevolence.

Example Sentences:

• (1) His rich vocabulary , including such rarely used words as "bailiwick", "condign", "propinquity" and "occlude", lifted the tone of the long sessions before Lord Justice Leveson.
• (2) Whatever you think of American capitalism, one of its redeeming features is the aggressive pursuit and condign punishment of those who abuse, rig and defraud markets.