• captal,
• castals,
• castal,
• coatal,
• hostal,
• contal,
• cuasal,
• castl,
• coatsal,
• castel,
• coatail,
• casta,
• casal,
• coastel,
• coasgtal,
• coastly,
• caital,
• cystal,
• beastal,
• coastally

• coastline,
• coast lily,
• costalgia,
• costal,
• jostle,
• crystal,
• cost,
• Costillo,
• castle,
• cast,
• cocktail,
• castaldi,
• coasts,
• costilla,
• costless,
• castaldo,
• costly,
• Costilow,
• costley,
• coast,
• costella,
• cattail,
• casual,
• postal,
• Costales,
• Costello,
• Coasted,
• coastland.

The adjective form of the word "coastal" is "coastal".

The plural form of the word "coastal" is "coastals".

The singular form of the word "coastal" is "coast"