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Original · left

Pluto (mythology)

First in use: ancient / pre-modern
Duplicate · right

Pluto (dwarf planet)

First in use: c. 1930

Pluto / Pluto (mythology) / Pluto (dwarf planet)

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Duplicate share · 12 mo—
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Colour keyGrey · original meaningGreen · duplicate meaningAmber · contested (40–60%)How colours work

An 11-year-old named it; Disney's dog came later.

Which meaning of Pluto is the original, and which one is the duplicate riding on its name? Pluto (mythology) came first (ancient / pre-modern). Pluto (dwarf planet) arrived in 1930. The data below shows which one owns the word now.

Wikipedia pageviews since 2015

Pluto (mythology)Pluto (dwarf planet)
English Wikipedia pageviews since July 2015 load here.

Duplicate's share of attention

Green line = duplicate's % · above 60 it owns the word · below 40 the original does

Share-of-attention line loads here.

The case for each meaning

Sourced definitions, usage stats and quotes

Original · ancient / pre-modern

Pluto (mythology)

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Duplicate · c. 1930

Pluto (dwarf planet)

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More duplicated terms

Science & space