• hallf,
• hlls,
• jillis,
• hils,
• ciels,
• halll,
• thils,
• hiello,
• fillls,
• helll,
• phils,
• tials,
• hiils,
• cills,
• hellis,
• hellu,
• scills,
• hilll,
• hollys,
• cirls

• Wills,
• hulls,
• Hauls,
• Halos,
• Hilchey,
• hails,
• mills,
• bills,
• Hillwig,
• fills,
• howls,
• kills,
• hellos,
• hill,
• heals,
• tills,
• hillis,
• Chills,
• hurls,
• hiles,
• heels,
• hilus,
• hillock.

The adjective form of the word "hills" is "hilly".

The plural form of the word "hills" is still "hills".

The singular form of the word "hills" is "hill"