gimcrack or jimcrack /jimˈkrak/

1. A dodge, trick
2. A trivial mechanism
3. A worthless knick-knack
4. A paltry, poorly made, flimsy article

Worthless, shoddy

• under-rung
• underrunning
• underrunnings
• underruns
• undersaid
• under sail
• undersaturated
• under-sawyer
• under-sawyers
• undersay
• undersaye
• undersayes
• undersaying
• undersays
• under-school
• under-schools
• underscore
• underscored
• underscores
• underscoring
• underscrub
• underscrubs
• undersea
• under seal
• underseal