different between trailless vs trainless

English

trail +? -less

trailless (not comparable)

train +? -less

trainless (not comparable)

Without a train (in various senses).
- 1867, The Popular science review, Volume 6 (page 82)
  At the radiant point itself, it was a subject of general remark, the meteors appeared trainless, and shone out for a moment like so many stars...
- 1982, The Economist, Volume 284 (page 43)
  Mr Ray Buckton, the Aslef boss, is as miserable as most trainless commuters, though most of the public sees him as the villain.

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