babble
sing
tattle
spill the beans
babble out
blab
peach
blab out
let the cat out of the bag
talk
details
inside information
leak
confidentialised
shoot off at the mouth
skinny
news leak
shut one's mouth
keep quiet
keep one's mouth shut
tell tales out of school
make known
nonconfidential
privily
under one's hat
confidentiality
confidentially
confide
know where the bodies are buried
hush-hush
let in on
divulgeable
blabbermouthed
tattling
leaky
underhand
talebearing
exposure
mum
professional secrecy
open the kimono
leak out
telling
confidentialness
confidence
get wind of
vouchsafe
closehandedness
divulgence
divulgement