variëren angolul

vary [varied, varying, varies]▼(to change something with time or a similar parameter)
verb
[UK: ˈveə.ri] [US: ˈve.ri]

waver [wavered, wavering, wavers]▼(to fluctuate or vary)
verb
[UK: ˈweɪ.və(r)] [US: ˈweɪ.vər]