• fiz,
• fied,
• foid,
• feid,
• fuds,
• cied,
• aio,
• zim,
• aiz,
• phid,
• bih,
• jid,
• byd,
• nida,
• fide,
• xcd,
• fci,
• ciu,
• cik,
• fcl

• fin,
• mid,
• fix,
• Did,
• i'd,
• kid,
• fig,
• fir,
• fit,
• fib,
• fad,
• bid,
• aid,
• fed,
• find,
• Hid,
• rid,
• ID,
• mid-,
• lid.

The adjective form of the word "Fid" is "fiducial".

The plural of the "Fid" can be the "fids".

The singular of the "Fid" can be the "Fid".