Select the related word/letters/number from the given alternatives.
Dissemble : Feign : : Divulge : ?

The relationship between the words in the first pair is that they are synonyms.
Dissemble means to disguise or conceal one's real motives, feelings, or beliefs, which is synonymous with Feign (to pretend to be affected by a feeling, state, or injury).

Similarly, Divulge means to make known private or sensitive information. The synonym for divulge among the given options is Disclose.

Let's check the other options:

Mollify: to appease the anger or anxiety of someone.

Request: to politely or formally ask for something.

Agree: to have the same opinion about something.

Therefore, Disclose is the correct related word.