How to spell FSEI correctly?

When faced with the misspelling "fsei", there are a few possible correct suggestions to consider. It could be a typo for "fes", an abbreviation for "Federation of European Societies of Immunology", "feast" or "fees". Context and a more precise clue would definitely aid in determining the intended word.

• FEI FEI is the acronym for the Fédération Equestre Internationale, the governing body for equestrian sports.
• FS EI
• FSE
• FSER
• FSI

Attenttion

• attention
• attentions
• attenuation
• inattention