upsurge
US /ˈʌp.sɝːdʒ/
UK /ˈʌp.sɝːdʒ/

1.
aumento, surto, ascensão
an upward surge in the strength or quantity of something; an increase
:
•
There has been an upsurge in violent crime.
Houve um aumento na criminalidade violenta.
•
The company experienced an upsurge in sales after the new marketing campaign.
A empresa experimentou um aumento nas vendas após a nova campanha de marketing.