curio (n.)
- abnormality
- anomaly
- bagatelle
- bauble
- bean
- bit
- button
- cent
- curiosity
- exception
- farce
- farthing
- feather
- fig
- folderol
- frippery
- gaud
- gewgaw
- gimcrack
- hair
- halfpenny
- improbability
- jest
- joke
- kickshaw
- knickknack
- knickknackery
- mockery
- molehill
- nonesuch
- oddity
- peppercorn
- pin
- pinprick
- prodigy
- rap
- rarity
- rush
- shit
- snap
- sou
- straw
- toy
- trifle
- trinket
- triviality
- tuppence
- twopence
- whatnot