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Erw vs Erf - What's the difference?

erw | erf |

As nouns the difference between erw and erf

is that erw is (historical) a medieval welsh unit of surface area equal to 11664 sq ft or about ¼ acre while erf is inheritance; patrimony or erf can be a small inherited house-and-garden lot in a village or settlement or erf can be (math) error function.

erw

English

Noun

(en-noun)
  • (historical) A medieval Welsh unit of surface area equal to 11664 sq. ft. or about ¼ acre.
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    erf

    English

    Etymology 1

    From (etyl) erfe, erve, from (etyl) yrfe, . Related to (l).

    Noun

    (en noun)
  • Inheritance; patrimony.
  • (by extension) Stock; cattle.
    • Derived terms
    * (l)

    Etymology 2

    From (etyl) , related to (etyl) erf above.

    Noun

    (en-noun)
  • A small inherited house-and-garden lot in a village or settlement.

    • Etymology 3

    Abbreviation.

    Noun

  • (math) error function
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