flare: am unwanted reflection in an optical system (or the fogging of an image that is caused by such a reflection)
reflection: the phenomenon of a propagating wave (light or sound) being thrown back from a surface
labiatae: a large family of aromatic herbs and shrubs having flowers resembling the lips of a mouth and four-lobed ovaries yielding four one-seeded nutlets and including mint; thyme; sage; rosemary