pince-nez: \paⁿs-ˈnā, pan(t)s-\

eyeglasses held by spring on the nose

His old fashioned pince-nez makes him look very old.

penchant:\ˈpen-chənt, especially British ˈpäⁿ-ˌshäⁿ\

a strong desire or liking

With her penchant for teaching she has proved herself to be a great teacher