inhalator vs inhaler

inhalator and inhaler both are nouns.

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

As nouns, inhalator and inhaler are synonyms defined as:

inhalator and inhaler: a dispenser that produces a chemical vapor to be inhaled in order to relieve nasal congestion

inhalator (noun)	inhaler (noun)
a dispenser that produces a chemical vapor to be inhaled in order to relieve nasal congestion	a dispenser that produces a chemical vapor to be inhaled in order to relieve nasal congestion
a breathing device for administering long-term artificial respiration