umquhile or umwhile /umˈhwīl/ (archaic, chiefly Scot)

(at) one time, former(ly)

• tailboard
• tailboards
• tailbone
• tailbones
• tail boom
• tail booms
• tail coat
• tail coats
• tail covert
• tail coverts
• tailed
• tailed rhyme
• tail end
• tail-end Charlie
• tail-ender
• tail-enders
• tail ends
• taileron
• tailerons
• tail feather
• tail feathers
• tail flies
• tail fly
• tailgate
• tailgated