as in great balls of?
How about:
afire
backfire
ball of fire
baptism of fire
between two fires
bonfire
brushfire
campfire
Campfire Girl
catch fire
ceasefire
cooking fire
crossfire
dragon fire
enemy fire
field of fire
fighting fire with fire
fire alarm
fire a gun, rocket or missile
fire and brimstone
fire and ice
fire ant
firearm
fire away
fireball
firebase
fire beetle
fire bird
fire blight
fireboat
firebomb
fire boogers
firebox
firebrand
firebrat
firebreak
fire-breathing
fire brick
fire brigade
fire bug
fire clay
fire control
firecracker
firedamp
fire department
firedog
fire door
firedrake
fire drill
fire eater
fire engine
fire escape
fire extinguisher
firefight
fire fighter
fireflood
firefly
fireguard
fire him now
firehouse
fire hydrant
fire insurance
fire in the hole
fire irons
Fire Island
firelight
firelock
fireman
fire marshal
fire opal
fire pink
fire pit
fireplace
fire plug
firepower
fire proof
fire rectangle
fire retardant
fire safety
fire sale
fire screen
fire ship
fireside
fire station
firestone
fire storm
firestrike
fire the cannon
fire thorn
fire tower
fire trap
fire truck
fire up
fire virgin
firewall
fire water
fire weed
firewire
firewood
fire work
firing line
firing on all (four) cylinders
firing pin
firing squad
friendly fire
forest fire
foxfire
free-fire zone
gas fire
going through fire (and water)
Greek fire
harassing fire
hellfire
hotline the fire
in case of fire
light (build,start) a fire under
light her fire
light my fire
like a house on fire
misfire
on fire
only you can prevent forest fires
out of the pan and into the fire
play with fire
rapid fire
red fire
retrofire
ring of fire
sea fire
Saint Anthony's fire
Saint Elmo’s fire
set fire to
set on fire
set the world on fire
sure fire
under fire
watch fire
where there is smoke, there is fire
wildfire
yuletide fire
Added note:
Oh yeah, Saint Elmo's fire (not the movie) is also called corposant. It is the ligntening like discharge (usually from pointed objects, like the mast of a ship) which can happen during violent storms.
P.S. The list was composed off-line on a 3 X 5 card. I was in the bathroom at the time.