• akullcap,
• zkullcap,
• xkullcap,
• dkullcap,
• ekullcap,
• wkullcap,
• sjullcap,
• smullcap,
• slullcap,
• soullcap,
• siullcap,
• skulcap,
• scullcap,
• skullar,
• sknowcap,
• skul cap,
• Smllcap,
• Baulcap,
• skulcp,
• skulcapp

The adjective form of the word "skullcap" is "skullcapped". For example, you could say, "He was a skullcapped man".

The plural of the "skullcap" can be the "skullcaps".

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