Solutions ... belli has 7 entries with similar clues

• 5-letter words
• normaBellini opera
• ligerCross and somewhat belligerent
• 6-letter words
• warcryBellicose yell
• 8-letter words
• militantBellicose
• brandishWield or wave belligerently
• 13-letter words
• fighting-talkBellicose language/words
• 14-letter words
• on-the-warpathIn a belligerent mood