• seasneil,
• aeashell,
• zeashell,
• xeashell,
• deashell,
• sewshell,
• seasell,
• seahsell,
• seashelll,
• sehell,
• tashiell,
• seshelle,
• sealevell,
• peashell,
• see-shell,
• spathelle,
• sofsell,
• selfhepl,
• sneileshel,
• snaleshell

• sessile,
• sequel,
• sequella,
• sex cell,
• seckel,
• segall,
• segal,
• seigel,
• seseli,
• Segalla,
• secale.

The adjective form of the word "seashell" is "seashell". The word remains the same in both noun and adjective forms.

The plural of the "seashell" can be the "seashells".

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