• ylfila,
• hlfila,
• jlfila,
• ilfila,
• 8lfila,
• 7lfila,
• ukfila,
• upfila,
• uofila,
• uldila,
• ulcila,
• ulvila,
• ulfilas,
• ulfilla,
• ulfili,
• Ulfillah,
• Ulphila,
• Ulfilah,
• Olfila,
• Ulfelia

• ulfilas.

The plural form of "ulfila" is "ulfilas"

The singular form of the word "ulfila" is "Ulfila". This is a proper noun referring to the name of a specific person, so it does not have a distinct singular form.