grimace /grimˈəs or gri-māsˈ/

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

To make grimaces

grimˈacer noun

• Oscines
• oscinine
• oscitancies
• oscitancy
• oscitant
• oscitantly
• oscitate
• oscitated
• oscitates
• oscitating
• oscitation
• oscitations
• oscula
• osculant
• oscular
• osculate
• osculated
• osculates
• osculating
• osculating orbit
• osculating orbits
• osculation
• osculations
• osculatories
• osculatory