remora /remˈə-rə/

1. The sucking-fish, formerly believed to stop ships by attaching its sucker
2. An obstacle (figurative)

• halvahs
• halvas
• halve
• halved
• halve-net
• halve-nets
• halver
• halvers
• halves
• halving
• halyard
• halyards
• ham
• hamadryad
• hamadryades
• hamadryads
• hamadryas
• hamadryases
• hamal
• hamals
• Hamamelidaceae
• hamamelis
• hamamelises
• hamarthritis
• hamarthritises