ABC
20
← 123 →
Cardinal: two
Ordinal: second
Abbreviated ordinal: 2nd
Latinate ordinal: secondary
Reverse order ordinal: second last, second to last, second from last, last but one
Latinate reverse order ordinal: penultimate
Adverbial: two times, twice
Multiplier: twofold
Latinate multiplier: double
Distributive: doubly
Germanic collective: pair, twosome
Collective of n parts: doublet, couple, couplet
Greek or Latinate collective: dyad
Metric collective prefix: double-
Greek collective prefix: di-, duo-
Latinate collective prefix: bi-
Fractional: half
Metric fractional prefix: demi-
Latinate fractional prefix: semi-
Greek fractional prefix: hemi-
Elemental: twin, doublet
Greek prefix: deutero-
Number of musicians: duo, duet, duplet
Number of years: biennium
Quantile: median

English numbers

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