Answer:

testaments

Answer	Crossword Clue
TESTAMENTS	Wills
TESTAMENTS	Old book collections
TESTAMENTS	Wills.

TESTAMENTS	Old and New
TESTAMENTS	Wills' companions
TESTAMENTS	Something Old and New
TESTAMENTS	Bible pair

Crossword

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