grimace /grimˈəs or gri-māsˈ/

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

To make grimaces

grimˈacer noun

• Cupressus
• cupric
• cupriferous
• cuprite
• cuprites
• cupronickel
• cupronickels
• cuprous
• cups
• cup-tie
• cup-tied
• cup-ties
• cupular
• cupulate
• cupule
• cupules
• Cupuliferae
• cupuliferous
• cur
• cur.
• curabilities
• curability
• curable
• curableness
• curablenesses