inopinate /in-opˈi-nāt/ (obsolete)

1. Not thought of
2. Unexpected

• Wash.
• washability
• washable
• wash-and-wear
• washateria
• washaterias
• wash away
• wash-away
• wash-aways
• washball
• washballs
• washbasin
• washbasins
• washboard
• washboards
• wash-bottle
• wash-bottles
• washbowl
• washbowls
• washcloth
• washcloths
• washday
• washdays
• wash-dirt
• wash down