intake vs inhalation

intake and inhalation both are nouns.

Word	Noun	Adjective	Verb	Adverb
intake	Yes	No	No	No
inhalation	Yes	No	No	No

As nouns, intake and inhalation are synonyms defined as:

intake and inhalation: the act of inhaling; the drawing in of air (or other gases) as in breathing

Other synonyms of intake include aspiration, breathing in, inspiration.

intake (noun)	inhalation (noun)
the process of taking food into the body through the mouth (as by eating)	the act of inhaling; the drawing in of air (or other gases) as in breathing
the act of inhaling; the drawing in of air (or other gases) as in breathing	a medication to be taken by inhaling it
an opening through which fluid is admitted to a tube or container