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

(at) one time, former(ly)

• lactams
• lactarian
• lactarians
• lactase
• lactases
• lactate
• lactated
• lactates
• lactating
• lactation
• lactational
• lactations
• lacteal
• lacteals
• lacteous
• lactescence
• lactescences
• lactescent
• lactic
• lactic acid
• lactiferous
• lactific
• lactifluous
• lacto-
• lactobacilli