lubricator vs lubricating substance

lubricator and lubricating substance both are nouns.

Word	Noun	Adjective	Verb	Adverb
lubricator	Yes	No	No	No
lubricating substance	Yes	No	No	No

As nouns, lubricator and lubricating substance are synonyms defined as:

lubricator and lubricating substance: a substance capable of reducing friction by making surfaces smooth or slippery

Other synonyms of lubricator include lube, lubricant.

lubricator (noun)	lubricating substance (noun)
a substance capable of reducing friction by making surfaces smooth or slippery	a substance capable of reducing friction by making surfaces smooth or slippery