1. Mutually dependent
   - interdependent, mutualist

See also: dependent

• foliar
• foliate
• foliated
• foliation
• folic acid
• folie
• folie a deux
• folio
• foliolate
• foliose
• folium
• folk
• folk art
• folk ballad
• folk dance
• folk dancer
• folk dancing
• folk etymology
• folk music
• folk poet
• folk singer
• folk writer
• folkie
• folklore
• folklorist