Collocations for frequency - noun

great | increased, increasing | relative
The relative frequency of this illness in the area is of concern to all doctors.

alarming
Bullets bounced off the rock with alarming frequency.

decrease in, increase in
Crime increases in frequency in less settled neighbourhoods.

decrease, increase, reduce
The drug can reduce the frequency and severity of attacks.

with ~
Accidents of this sort are happening with increasing frequency.

high, low | ultrasonic | microwave, radio, television, vibration, wave | signal

range | band