coal-tar creosote vs creosote

coal-tar creosote and creosote both are nouns.

Word	Noun	Adjective	Verb	Adverb
coal-tar creosote	Yes	No	No	No
creosote	Yes	No	Yes	No

As nouns, coal-tar creosote and creosote are synonyms defined as:

coal-tar creosote and creosote: a dark oily liquid obtained by distillation of coal tar; used as a preservative for wood

coal-tar creosote (noun)	creosote (noun)
a dark oily liquid obtained by distillation of coal tar; used as a preservative for wood	a colorless or yellowish oily liquid obtained by distillation of wood tar; used as an antiseptic
	a dark oily liquid obtained by distillation of coal tar; used as a preservative for wood

coal-tar creosote (verb)	creosote (verb)
	treat with creosote