octoroon：八分之一黑人血统的混血儿

octa-,八，-oon,大词后缀，词源同quadroon.

• solve
• solvency
• solvent
• solver
• soma
• somatic
• somatosensory
• somber
• sombrero
• some
• somersault
• sometime
• sometimes
• somn-
• somnambulate
• somnambulism
• somnambulist
• somniloquy
• somnolent
• Somnus
• son
• sonar
• sonata
• song
• songsmith