German

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German numbers (edit)
80
 ←  7 8 9  → 
    Cardinal: acht
    Ordinal: achte
    Sequence adverb: achtens
    Ordinal abbreviation: 8.
    Adverbial: achtmal
    Adverbial abbreviation: 8-mal
    Multiplier: achtfach
    Multiplier abbreviation: 8-fach
    Fractional: Achtel
    Polygon: Achteck
    Polygon abbreviation: 8-Eck
    Polygonal adjective: achteckig
    Polygonal adjective abbreviation: 8-eckig

Noun

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8-Eck n (strong, genitive 8-Eckes or 8-Ecks, plural 8-Ecke)

  1. Alternative spelling of Achteck