label vs calibrate

label is a noun but calibrate is not a noun.

Word	Noun	Adjective	Verb	Adverb
label	Yes	No	Yes	No
calibrate	No	No	Yes	No

As verbs, calibrate is a hyponym of label; that is, calibrate is a word with a more specific, narrower meaning than label:

label: attach a tag or label to
calibrate: mark (the scale of a measuring instrument) so that it can be read in the desired units

Other hyponyms of label include brand, brandmark, trademark, point, point, point, code, badge, favorite, favourite.

label (noun)	calibrate (noun)
an identifying or descriptive marker that is attached to an object
a brief description given for purposes of identification
trade name of a company that produces musical recordings
a radioactive isotope that is used in a compound in order to trace the mechanism of a chemical reaction

label (verb)	calibrate (verb)
distinguish (an element or atom) by using a radioactive isotope or an isotope of unusual mass for tracing through chemical reactions	make fine adjustments or divide into marked intervals for optimal measuring
distinguish (as a compound or molecule) by introducing a labeled atom	measure the caliber of
assign a label to; designate with a label	mark (the scale of a measuring instrument) so that it can be read in the desired units
pronounce judgment on
attach a tag or label to