Collocations for roar - noun

almighty, deafening, great, loud, mighty
The lion let out a great roar.

deep | dull, muffled | hollow | throaty
the throaty roar of the engine

background, distant
the distant roar of the sea

sudden

give, let out | hear

go up
A mighty roar went up from the crowd as the home team scored.

above/over the ~
She couldn''t make herself heard over the roar of the engines.

with a ~
The car sped off with an almighty roar.

~ from
There was a crash and a roar from the kitchen.

~ of
a roar of applause/laughter