balk
bevue
bloomer
blooper
blunder
error
false move
false step
faux pas
gaffe
goof
howler
inadvertence
inadvertency
indiscretion
lapse
lapsus calami
lapsus linguae
loose thread
miscue
mistake
omission
oversight
slip
slipup
stub
stumble
trip
wrong step
boner
boo-boo
botch
bungle
flub
foul-up
fuckup
pratfall
2.6-percent
contretemps
dissidence
divagation
hiccough
hiccup
hurtle
imprudence
incaution
inrockhampton
laches
main-topsail
meperidine
misadventure
miscalculation
miscalculations
rashnesse
sauntering
sniffle
Rep
Sep
cep
dep
hep
lep
pep
prep
rep
repp
schlepp
sep
step
steppe
strep
yep