ef is a valid English word

Scrabble validity: valid ( international - Sowpods, US - Twl06 )
iScramble validity: invalid
QuickWords validity: invalid

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Meanings

Noun (COUNTABLE)

Singular Plural
EF EFs
    (medicine cardiology) Initialism of: ejection fraction.

Proper noun

    (computing Microsoft) Initialism of: Entity Framework, an open-source ORM framework. (Canada US meteorology) Followed by a number from 0 to 5: Initialism of: Enhanced Fujita, a rating on the Enhanced Fujita scale used to indicate the intensity of a tornado. It has superseded the Fujita scale. (Roman Catholicism) Initialism of: Extraordinary Form.

Adjective (NOT COMPARABLE)

Not comparable
    (philately) Initialism of: extremely fine or extra fine; also XF.

ef is a Scrabble valid word


ef is not an iScramble valid word


ef is not an QuickWords valid word


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Same letters words (Anagrams)


Same letters plus one


Same letters minus one