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frequent

frequency (of occurrence)

frequently

frequent occurrence

for a while

frequency of use

frequency (of appearance)

frequency of use

transmission frequency

high frequency

frequency of occurrence

low frequency

frequent appearance

frequency

frequency distribution

frequent use

frequent

mode

burst frequency

gene frequency

frequency

frequency-dependent selection

to blow violently

to wail

to chirp or buzz constantly (usu. insects or birds)

tachycardia

frequently

frequent

to do ... incessantly

to occur repeatedly

frequently

pollakiuria

incessantly

incessantly

total darkness

kalavinka