pressure feed vs lubricating system

pressure feed and lubricating system both are nouns.

Word	Noun	Adjective	Verb	Adverb
pressure feed	Yes	No	No	No
lubricating system	Yes	No	No	No

As nouns, pressure feed and lubricating system are synonyms defined as:

pressure feed and lubricating system: mechanical system of lubricating internal combustion engines in which a pump forces oil into the engine bearings

Other synonyms of pressure feed include force-feed lubricating system, force feed, pressure-feed lubricating system.

pressure feed (noun)	lubricating system (noun)
mechanical system of lubricating internal combustion engines in which a pump forces oil into the engine bearings	mechanical system of lubricating internal combustion engines in which a pump forces oil into the engine bearings