Similar-sounding words in the dictionary:
glaab,
glob,
gob,
grab,
grabbe,
grabe,
grahl,
greb,
grebe,
grieb,
grobe,
groch,
grogg,
grom,
gropp,
grosh,
grosse,
groth,
grub,
grubb,
grube,
krob,
prob,
raab,
raabe,
rob,
robb,
robbe,
throb 