calibration vs tuning

calibration and tuning both are nouns.

Word	Noun	Adjective	Verb	Adverb
calibration	Yes	No	No	No
tuning	Yes	No	No	No

As nouns, tuning is a hyponym of calibration; that is, tuning is a word with a more specific, narrower meaning than calibration:

calibration: the act of checking or adjusting (by comparison with a standard) the accuracy of a measuring instrument
tuning: (music) calibrating something (an instrument or electronic circuit) to a standard frequency

Other hyponyms of calibration include adjustment, readjustment, registration.

calibration (noun)	tuning (noun)
the act of checking or adjusting (by comparison with a standard) the accuracy of a measuring instrument	(music) calibrating something (an instrument or electronic circuit) to a standard frequency