hearken /härˈkn/ (archaic or literary)

1. To hear attentively
2. To listen

1. To listen to, pay attention to, heed (poetic)
2. To seek by enquiry (obsolete)

hearkˈener noun

• oubaases
• oubit
• oubits
• oubliette
• oubliettes
• ouch
• ouches
• oucht
• ouchts
• oud
• Oudenarde
• ouds
• OUDS
• ouens
• oughly
• oughly-headed
• ought
• oughtlings
• oughtness
• oughtnesses
• oughts
• ouglie
• ouguiya
• Ouija
• Ouijas