The abstract noun "faithfulness" can be translated with the adjective "faithful." Alternate translation: "proclaim in the morning that you are faithful to your covenant" (See: [[rc://en/ta/man/translate/figs-abstractnouns]])
The verb may be supplied from the previous phrase. The abstract noun "truthfulness" can be translated with the adjective "true." Alternate translation: "proclaim every night that everything you say is true" (See: [[rc://en/ta/man/translate/figs-ellipsis]] and [[rc://en/ta/man/translate/figs-abstractnouns]])