Apparitions vs. disk images and being ghosted.
Which meaning of Ghost is the original, and which one is the duplicate riding on its name? Ghost (spirit) came first (ancient / pre-modern). Ghost (disk imaging and ghosting) arrived in the 1990s. The data below shows which one owns the word now.
Wikipedia pageviews since 2015
Duplicate's share of attention
Green line = duplicate's % · above 60 it owns the word · below 40 the original does
The case for each meaning
Sourced definitions, usage stats and quotes
Ghost (spirit)
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Ghost (disk imaging and ghosting)
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More duplicated terms
Internet & gaming culture