labor improbus /lāˈbör im-prōˈbəs or laˈbor im-proˈbŭs/ (Latin)

Persistent, dogged labour

• twentyfolds
• twenty-four
• twenty-four-hour
• twenty-four-hour clock
• twenty-fourmo
• twenty-fours
• twenty-four-seven
• twenty-four-seven usu written 24–7
• twentyish
• twenty-one
• twenty-ones
• twenty-twenty
• twenty-two
• twenty-twos
• 'twere
• twerk
• twerked
• twerking
• twerks
• twerp
• twerps
• twi-
• Twi
• twibill
• twibills