respirator vs inhalator

respirator and inhalator both are nouns.

Word	Noun	Adjective	Verb	Adverb
respirator	Yes	No	No	No
inhalator	Yes	No	No	No

As nouns, respirator and inhalator are synonyms defined as:

respirator and inhalator: a breathing device for administering long-term artificial respiration

respirator (noun)	inhalator (noun)
a breathing device for administering long-term artificial respiration	a dispenser that produces a chemical vapor to be inhaled in order to relieve nasal congestion
a protective mask with a filter; protects the face and lungs against poisonous gases	a breathing device for administering long-term artificial respiration