spark plug

noun 0.689

sparking plug

noun 0.682

glow

noun 0.612

glowworm

noun 0.604

glow discharge

noun 0.595

glow stick

noun 0.587

glowing

noun 0.587

plugger

noun 0.576

plug

noun 0.574

lamp bulb

noun 0.570

cigarette lighter

noun 0.564

light bulb

noun 0.563

butt plug

noun 0.559

bulb

noun 0.559

diesel generator

noun 0.550

oil burner

noun 0.548

electric button

noun 0.548

plug hat

noun 0.547

light globe

noun 0.546

diesel

noun 0.544

nightglow

noun 0.544

gas pump

noun 0.540

grow light

noun 0.534

spark gap

noun 0.527

pilot burner

noun 0.526

starter motor

noun 0.525

fluorescent lamp

noun 0.524

electric light

noun 0.522

gas jet

noun 0.521

hot glue

noun 0.521

incandescent lamp

noun 0.520

space heater

noun 0.517

block heater

noun 0.517

lamp

noun 0.513

headlight

noun 0.512

grease gun

noun 0.512

oil stove

noun 0.510

plugging

noun 0.509

airglow

noun 0.508

petrol pump

noun 0.507

neon lamp

noun 0.506

golden glow

noun 0.504

electric fire

noun 0.504

geyser

noun 0.503

oil lamp

noun 0.503

nozzle

noun 0.502

fireplug

noun 0.502

heat lamp

noun 0.502

igniter

noun 0.501