decrease

decrease verb [ I,T ] uk/dɪˈkriːs/ us
B1 to become less, or to make something become less

уменьшать(ся)
During the summer months, rainfall decrease s. decrease noun [ C,U ] uk/ˈdiːkriːs/ usB1

уменьшение
There has been a decrease in the number of violent crimes.Противоположностьincrease