pellicle /pelˈi-kl/

1. A thin skin or film
2. A film or scum on liquid
3. A protein covering that preserves the shape of single-cell organisms (biology)

• protectives
• protective tariff
• protective tariffs
• protector
• protectoral
• protectorate
• protectorates
• protectorial
• protectories
• protectorless
• protectors
• protectorship
• protectorships
• protectory
• protectress
• protectresses
• protectrices
• protectrix
• protectrixes
• protects
• proteid
• proteids
• proteiform
• protein
• proteinaceous