knattern
crackle
flap
put-put
rat-a-tat-tat
knatter
high
Knittern
crinkling
knittern
crease
crinkle
crumple
wrinkle
knottern
complain
knausern
skimp
economize
knabbern
nibble
Natter
adder
colubrid
Blattern
smallpox
blättern
leaf through
riffle
flick through
page through
thumb
flake
flake off
put down
defoliate
unleaf
unleave
Flattern
shimmy
flattern
flutter
tattern
dodder
rattern
clatter
judder
rattle
Klettern
climbing
klettern
climb
Knitter
crease
Knistern
crackle
knistern
crackle
Knacken
snap
knacken
crack
nap
sleep