melodeon or melodion /mi-lōˈdi-ən/

1. A small reed organ
2. A harmonium or type of accordion

• thunder-bearer
• thunder-bearers
• thunderbird
• thunderbirds
• thunderbolt
• thunderbolts
• thunderbox
• thunderboxes
• thunderclap
• thunderclaps
• thundercloud
• thunderclouds
• thunder-dart
• thunder-darter
• thunder-darters
• thunder-darts
• thunder-drive
• thunder-driven
• thunder-drives
• thunder-driving
• thunder-drove
• thundered
• thunderegg
• thundereggs
• thunderer