irradiation vs physiology

irradiation and physiology both are nouns.

Word	Noun	Adjective	Verb	Adverb
irradiation	Yes	No	No	No
physiology	Yes	No	No	No

irradiation (noun)	physiology (noun)
(medicine) the treatment of disease (especially cancer) by exposure to a radioactive substance	processes and functions of an organism
the apparent enlargement of a bright object when viewed against a dark background	the branch of the biological sciences dealing with the functioning of organisms
(Pavolvian conditioning) the elicitation of a conditioned response by stimulation similar but not identical to the original stimulus
(physiology) the spread of sensory neural impulses in the cortex
a column of light (as from a beacon)
the condition of being exposed to radiation