vapour trail

noun 0.937

vapor

noun 0.671

contrail

noun 0.667

trail

noun 0.636

vapour

noun 0.635

data trail

noun 0.635

trajectory

noun 0.613

trailing

noun 0.555

airstream

noun 0.550

vaporization

noun 0.548

paper trail

noun 0.535

plume

noun 0.533

comet tail

noun 0.526

water vapor

noun 0.526

vog

noun 0.525

flight path

noun 0.524

jet stream

noun 0.520

vaporizer

noun 0.519

vapor pressure

noun 0.517

spoor

noun 0.513