list of synonyms of word backbone

• anchor
• mainstay
• keystone
• linchpin
• lynchpin
• support (generic term)

• grit
• guts
• moxie
• sand
• gumption
• fortitude (generic term)

• spinal column
• vertebral column
• spine
• back
• rachis
• skeletal structure (generic term)

• spine
• part (generic term)
• portion (generic term)

• connection (generic term)
• connexion (generic term)
• connector (generic term)
• connecter (generic term)
• connective (generic term)