pileus/ʹpieli·əs/ noun (pl pilei /ʹpieliie/)

• flashlight
• flash memory
• flash mob
• flashover
• flash point
• flash suit
• flashtube
• flashy
• flask
• flat
• flatbed
• flatboat
• flatbread
• flatcar
• flatette
• flat feet
• flatfeet
• flat-fell
• flat-felled
• flat file
• flatfish
• flatfoot
• flat-footed
• flat-four
• flathead