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)

• thirty-twomos
• this
• this and that
• this day week
• this here
• this instant
• thisness
• thisnesses
• this side of
• this side of idolatry
• this, that and the other
• thistle
• thistle butterflies
• thistle butterfly
• thistledown
• thistledowns
• thistles
• thistlier
• thistliest
• thistly
• thither
• thitherward
• thitherwards
• thivel
• thivels