tween1 prepositiontween2 noun
tweentween1 /twiːn/ preposition literary 
betweentween1 prepositiontween2 noun
tweentween2 noun [countable] informal a child who is aged between 8 and 12: 
It’s not easy being the mom of two tweens!- Workers' Educational Association
- work ethic
- work experience
- kinetics
- kinfolk
- king
- King and Country debate
- kingdom
- Kingdom Hall
- King, Don
- kingfisher
- King James Bible
- King Kong
- King, Larry
- King Lear
- kingly
- kingmaker
- King, Martin Luther
- King of the Jews
- kingpin
- King, Rodney
- King's Bench
- King's College Chapel
- King's Counsel
- King's Cross