interfold /in-tər-fōldˈ/

To fold one into the other

• level crossings
• level down
• level-headed
• levelled
• leveller
• levellers
• levellest
• levelling
• levelling-rod
• levelling-rods
• levellings
• levelling screw
• levelling screws
• levelling-staff
• levelly
• levelness
• levelnesses
• level off
• level out
• level-pegged
• level pegging
• level playing field
• level playing fields
• levels
• level up