• glaad,
• galazed,
• calahan,
• malahat,
• galaggo,
• falahad,
• valahad,
• balahad,
• halahad,
• yalahad,
• talahad,
• gzlahad,
• galahard,
• glahad,
• gallahad,
• galeincal,
• galghal,
• valaad,
• Dalthaid,
• Gappaha

• galled,
• galati,
• galatea,
• Galatia,
• Gault,
• Galletta.

The plural form of the word "galahad" is "galahads".

The singular form of the word "galahad" remains "galahad". It refers to a proper noun, primarily associated with Sir Galahad, a knight from Arthurian legend.