nicker⁴ /nikˈər/

1. A clay marble (also knicker)
2. The round seed of a Caesalpinia (or Guilandina if this is considered a separate genus), used for playing marbles (also nickˈar)

• upside-down
• upside-down cake
• upside-down cakes
• upsideowne
• upsides
• upsies
• upsilon
• upsilons
• upsitting
• upsittings
• upskill
• upskilled
• upskilling
• upskills
• up so down
• upsold
• upspake
• upspeak
• upspeaking
• upspeaks
• upspear
• upspeared
• upspearing
• upspears
• upspoke