carbon monoxide
compounds of carbon
alcohol
apograph
ash
ashes
benzine
brand
briquette
burnable
butane
calx
carbon copy
charcoal
cinder
clinker
coal
coke
combustible
coom
copy
ditto
dope
dross
duplicate
ethane
ethanol
facsimile
fiche
fireball
firing
flammable
flammable material
fuel
fuel additive
fuel dope
fume
gas
gas carbon
gasoline
heptane
hexane
inflammable
inflammable material
isooctane
jet fuel
kerosene
lava
manifold
methane
methanol
microcopy
diamond
graphite
paper
acid
ammonia
atom
calcium
chemical
chlorine
copper
hydrocarbon
hydrogen
mercury
metal
mineral
oxide
silicon
vapor
zinc
fluorocarbon