Answer:

renail

Answer	Crossword Clue
RENAIL	Get back down to brass tacks?
RENAIL	Fix molding, maybe
RENAIL	Fasten again.

RENAIL	Repair in a way
RENAIL	Fasten again
RENAIL	Hang up again
RENAIL	Fasten anew
RENAIL	Fix, in carpentry
RENAIL	Fix, as a loose board
RENAIL	Fix a loose board

Crossword

a puzzle consisting of a grid of squares and blanks into which words crossing vertically and horizontally are written according to clues.