grimace /grimˈəs or gri-māsˈ/

1. A distortion of the face, in fun, disgust, etc
2. A smirk

To make grimaces

grimˈacer noun

• protanopia
• protanopias
• protanopic
• pro tanto
• protases
• protasis
• protatic
• protea
• Proteaceae
• proteaceous
• protean
• Protean
• proteas
• protease
• protease inhibitor
• protease inhibitors
• proteases
• protect
• protectant
• protectants
• protected
• protected state
• protected states
• protecting
• protectingly