ejector vs eductor-jet pump

ejector and eductor-jet pump both are nouns.

Word	Noun	Adjective	Verb	Adverb
ejector	Yes	No	No	No
eductor-jet pump	Yes	No	No	No

As nouns, ejector and eductor-jet pump are synonyms defined as:

ejector and eductor-jet pump: An injector, ejector, steam ejector, steam injector, eductor-jet pump or thermocompressor is a type of pump.

Other synonyms of ejector include injector, steam ejector, steam injector, thermocompressor.

ejector (noun)	eductor-jet pump (noun)
a mechanism in a firearm that ejects the empty shell case after firing	An injector, ejector, steam ejector, steam injector, eductor-jet pump or thermocompressor is a type of pump.
An injector, ejector, steam ejector, steam injector, eductor-jet pump or thermocompressor is a type of pump.
a person who ousts or supplants someone else