Collocations for floorboard - noun

wooden
bare
polished
loose
creaky, squeaky

lift, lift up
Lift some loose floorboards to get at the pipes.

creak
The wooden floorboards creaked as he walked down the corridor.

beneath the floorboards, under the floorboards, underneath the floorboards
They said that he kept his money under the floorboards.

a gap between the floorboards, a gap in the floorboards (both esp. BrE)
She could hear voices through the gaps in the floorboards.