Noun phrases
| an increase
a surge a rise a jump a leap |
a decrease
a decline a drop a tumble a plunge |
at a similar level
a steady trend maintained stability a period of stability |
a fluctuation
an oscillation |
Verb phrases
| increased
surged rose soared rocketed |
decreased
declined plunged tanked sunk |
stabilized
remained unchanged remained static stayed the same |
fluctuated
oscillated |
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