Crossbones

7 clues
Skull and ___
Skull accompanier
Skull's companion
Part of a certain flag
Part of a symbol of danger
Skull and ___ (dire warning)
NBC pirate show that debuted May 30, 2014
Similar answers:
Across
Acrossanddown
Acrosses
Acrosstheboard
Acrosstheborder
Acrossthemersey
Acrossthenation
Acrosstheporter
Acrosstheriver
Acrossthestreet
Acrosstheway
Acrossto
Acrosstown
Allskinandbones
Amandacross
Americanpinkcross
Anagramcrossing
Andbones
Anklebones
Armbones