didapper /dīˈdap-ər/

1. The dabchick or little grebe
2. Someone who disappears and bobs up again

• summon
• summonable
• summoned
• summoner
• summoners
• summoning
• summons
• summonsed
• summonses
• summonsing
• summum bonum
• summum genus
• sumo
• sumos
• sumotori
• sumotoris
• sump
• sumph
• sumphish
• sumphishness
• sumphishnesses
• sumphs
• sumpit
• sumpitan
• sumpitans