quadroon /kwo-droonˈ/, also quarteroon /kwör-tə-roonˈ/ (old)

1. A person of one-quarter black descent
2. Extended to refer to any person or animal of similarly mixed ancestry

• unflappably
• unflattering
• unflatteringly
• unflavoured
• unflawed
• unfledged
• unflesh
• unfleshed
• unfleshes
• unfleshing
• unfleshly
• unflinching
• unflinchingly
• unfloored
• unflush
• unflushed
• unflushes
• unflushing
• unflustered
• unfocused
• unfocussed
• unfold
• unfolded
• unfolder
• unfolders