• hlls,
• jillis,
• icles,
• illig,
• allas,
• iles,
• ciels,
• plls,
• eilis,
• lillys,
• allst,
• ellos,
• allys,
• wlls,
• fillls,
• alles,
• oiles,
• oilly,
• tials,
• flls

• ilk,
• mills,
• Ilse,
• ileus,
• ilxx,
• ill,
• Wills,
• fills,
• kills,
• tills,
• ILES,
• ilex,
• ilx,
• ill.,
• ill-use,
• bills.

The adjective form of the word "ills" is "ill"..

The plural of the "ills" can be the "ills".

The singular of the "ills" can be the "illness".