What are the overlapping words?

1, quietly

Meaning: There is no sound or the sound is so small that no one knows.

From modern Liang Bin's Playing with Fire: Zhu Laozhong was sitting in Zhu Laoming's room and heard someone coming in quietly outside.

2. chat?

Meaning: The words are tedious and endless.

From Modern Rou Shi's A Slave's Mother: He didn't finish, but he couldn't help listening to his wife's incessant ridicule outside the door.

3. Silence?

Meaning: Don't talk, don't make any noise.

From the modern Guo Moruo's Can Chun: When climbing from the foot of the mountain to the top of the mountain, we are always silent to each other, even if we sit in a tea pavilion, we are relatively silent.

4. secretly

Meaning: secretly or privately, not to disclose.

From modern Ba Jin's Observer: They didn't expect me to observe them in the dark.

5. secretly

Meaning: describe the action without being noticed.

From Modern University's Mountain Valley Wind Smoke: Ouch, Aunt Zhu secretly stuffed me with a boiled egg. What should I do?