'twere a contraction of it were

• fuddlings
• fuddy-duddies
• fuddy-duddy
• fudge
• fudged
• fudges
• fudging
• fuds
• Fuehrer
• fuel
• fuel assemblies
• fuel assembly
• fuel cell
• fuel cells
• fuel-injected
• fuel injection
• fuelled
• fueller
• fuellers
• fuelling
• fuelling machine
• fuel oil
• fuel oils
• fuel reprocessing
• fuel rod