1. Not easy to combine harmoniously
   - ill-sorted, incompatible, mismated, ill-assorted

See also: mismatched

• footrest
• footsie
• footslog
• footslogger
• footsore
• footstall
• footstep
• footsteps-of-spring
• footstool
• footsure
• footwall
• footway
• footwear
• footwork
• footy
• foozle
• fop
• foppery
• foppish
• foppishness
• for
• for 24 hours
• for a bargain price
• for a song
• for a while