Usually after consonants and non-“short” vowels

barge

bilge

binge

bulge

change

charge

cringe

dirge

flange

forge

fringe

gorge

gouge

grange

grunge

gunge

hinge

large

liege

lounge

lunge

mange

merge

plunge

purge

range

scrooge

scrounge

serge

siege

singe

splurge

sponge

stooge

strange

surge

tinge

twinge

urge

verge

whinge

advantageous

bludgeon

burgeon

courageous

curmudgeon

dungeon

gorgeous

gudgeon

outrageous

pigeon

sturgeon

surgeon

wigeon