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

• avicultures
• avid
• avider
• avidest
• avidin
• avidins
• avidities
• avidity
• avidly
• avidness
• avidnesses
• aviette
• aviettes
• avifauna
• avifaunae
• avifaunal
• avifaunas
• aviform
• avine
• avion
• avionic
• avionics
• avions
• avirulent
• avisandum