皿秤[sarabakari] balance
台秤[daibakari] platform scales
天秤にかける[tenbinnikakeru] to compare and contrast two alternatives
天秤座[tenbinza] Libra (constellation)
天秤棒[tenbinbou] shoulder carrying pole

両天秤[ryoutenbin] two alternatives
天秤[tenbin] (balance) scales
水秤[mizubakari] a water level
秤にかける[hakarinikakeru] to weigh on a scale