alarm
false alarm

false
false alarm

false-hearted
falso

hellebore
false hellebore

imprisonment
false imprisonment / illegal imprisonment

lull
...into a false sense of security

membrane
false membrane

next
...may be false the next

note
to strike a false note

oat
false oat

pretence
false pretences

prove
to prove false

repose
that theory reposes on a false premise

representation
...to make false representations to somebody

rib
false ribs

ring
to ring false

sail
...sail under false colours / to sail with

sift out
to sift out the true from the false

start
to make a false start

step
a false step

testimony
to give false testimony

tooth
artificial teeth / false teeth

topaz
false topaz

trail
false trail