1. Strict adherence to official formalities
   - red-tapism

Derived forms: officialisms

• heart-shaped
• heart-to-heart
• heart-whole
• heartache
• heartbeat
• heartbreak
• heartbreaker
• heartbreaking
• heartbroken
• heartburn
• heartburning
• hearted
• hearten
• heartening
• heartfelt
• hearth
• hearth money
• hearthrug
• hearthstone
• heartily
• heartiness
• heartland
• heartleaf
• heartleaf arnica
• heartleaf manzanita