inhalation vs intake

inhalation and intake both are nouns.

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

As nouns, inhalation and intake are synonyms defined as:

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

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

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