She grabbed the knob handle and pulled the door open.
knob size
Frequency:
50
%
He chose a knob size that fit comfortably in his hand.
knob shape
Frequency:
45
%
The knob shape made it easy to grip and turn.
Idiomatic Expressions for knob
Phrase: to turn a blind eye
Meaning: to ignore or pretend not to notice something
Usage: The teacher turned a blind eye to the cheating during the exam.