She silently entered her house so her dad wouldn't see the time she was arriving home.
"Silently" is an adverb and it almost always modifies a verb. "He tiptoed silently into the room." "She didn't speak, but her eyes silently followed him as he entered."
As the modifier or description of an action, e.g.,"The thief moved silently through the garden."
Silently is an adverb. Many adverbs end in the prefix -LY.
The Biped stood there silently.
Yes, the sentence contains an adverb "silently" and a conjunction "but".
The gutsy soldier just silently grimaced.
"I need to take a moment to gather my thoughts."
The adverb you are looking for is silently.An example sentence is: "he silently crept up to the door".
I love to just silently sit and enjoy the abounding unspoilt nature.
The second sentence is a sentence that contains both an adverb and a conjunction.
soaring silently through the skies, the planes soar the horizon.
I silently slunk away as the bear ambled toward the bee hive.