bivalent /bī-vāˈlənt or bivˈə-lənt/

1. Having a valency of two (chem)
2. Relating to one of a pair of homologous chromosomes (also noun)

• trayne
• trays
• tray-trip
• tray-trips
• treacher
• treacherer
• treacheries
• treacherous
• treacherously
• treacherousness
• treacherousnesses
• treachers
• treachery
• treachetour
• treachetours
• treachour
• treachours
• treacle
• treacled
• treacle mustard
• treacle mustards
• treacles
• treacle wormseed
• treaclier
• treacliest