The English term "noiseless, silently, calm, quiet, silent" matches the Dutch term "stil"

other english words that include "noiseless" : dutch :
noiseless geluidloos
noiseless geruisloos
noiseless muisstil
other english words that include "silently" : dutch :
silently, silent zwijgend
other english words that include "silent" : dutch :
silent stilzwijgend
silently, silent zwijgend