narrow gauge

noun 0.737

gauge

noun 0.662

gauge theory

noun 0.599

rail track

noun 0.597

railway

noun 0.577

railway track

noun 0.569

railroad

noun 0.568

railroad track

noun 0.566

gauging

noun 0.561

gauge boson

noun 0.553

gauge glass

noun 0.551

rail transport

noun 0.547

train track

noun 0.546

gauger

noun 0.540

standard

noun 0.539

goods train

noun 0.536

strain gauge

noun 0.536

railway train

noun 0.530

rail

noun 0.528

steam locomotive

noun 0.524

water gauge

noun 0.523

guide rail

noun 0.518

railway line

noun 0.516

gold standard

noun 0.512

rail head

noun 0.509

railway vehicle

noun 0.508

gas gauge

noun 0.504

passenger train

noun 0.503

international standard

noun 0.502