• loon
• loons
• loony
• looner
• looney
• loonie
• looners
• looneys
• loonier
• loonies
• loonily
• looniest
• loonsome
• looniness
• loony bin
• loony van
• looney bin
• loony bins
• loony left
• loony tune

loon (suomeksi)

• kuikka (s: amerikanenglantia / bird of order Gaviiformes)
• sekopää (s: a crazy person)
• hullu (s: a crazy person)
• seko (s: a crazy person)