• seadrift,
• seedrift,
• seadtift,
• seeadrift,
• seardrift,
• sedrift,
• saedrift,
• aea drift,
• zea drift,
• xea drift,
• dea drift,
• eea drift,
• wea drift,
• swa drift,
• ssa drift,
• sda drift,
• sra drift,
• s4a drift,
• s3a drift,
• sez drift

The adjective form of the word "sea drift" is "seadrift".

The plural form of the word "sea drift" is "sea drifts"

The singular form of the word "sea drift" is "sea drift". The term itself is already singular and does not change in its singular form.