Or did you mean:

• affix,

• efficacy,

• evacuees,

• evokes,

• IFFCS,

• OFEX,

• AFCS,

• AFX,

• aphex,

• AVEX,

• AVX,

• IFCS,

• IFEX,

• IVAX,

• OFGAS,

• UFX,

• euphagus,

• Euphagus Carilonus,

• AVGAS,

• affix a legal signature,

• affix a date to,

• affix date to,

• Genus Euphagus,

• in efficacy,

• in-efficacy,

• self-efficacy.