inflammable air

noun 0.632

marsh gas

noun 0.606

gas fire

noun 0.589

town gas

noun 0.568

coal gas

noun 0.557

gas and air

noun 0.546

illuminating gas

noun 0.540

gas main

noun 0.537

dephlogisticated air

noun 0.536

flue gas

noun 0.535

gas jet

noun 0.529

gas hydrate

noun 0.527

combustible

noun 0.523

gas flaring

noun 0.522

gas

noun 0.520

black powder

noun 0.520

phlogiston

noun 0.518

coalbed methane

noun 0.517

methane

noun 0.515

fixed air

noun 0.514

flammable

noun 0.513

natural gas

noun 0.512

fire

noun 0.512

flatus

noun 0.507

firer

noun 0.507

bottled gas

noun 0.506

backdraft

noun 0.505

nonflammable

noun 0.504

inflammable

noun 0.502

fir

noun 0.502