Similar-sounding words in the dictionary:
5 letters:
berst,
burst,
durst,
first,
furst,
gerst,
haste,
heist,
herdt,
hoist,
hurtt,
kerst,
kirst,
werst,
worst,
wurst,
herst,
hirst 6 letters:
cursed,
hearse,
herbst,
hersey,
hissed,
hursey,
nursed,
pursed,
thirst,
versed,
hearst,
huerst 