spectroscopy vs spectroscopic analysis

spectroscopy and spectroscopic analysis both are nouns.

Word	Noun	Adjective	Verb	Adverb
spectroscopy	Yes	No	No	No
spectroscopic analysis	Yes	No	No	No

As nouns, spectroscopy and spectroscopic analysis are synonyms defined as:

spectroscopy and spectroscopic analysis: the use of spectroscopes to analyze spectra

Other synonyms of spectroscopy include spectrographic analysis, spectrometry, spectrum analysis.

spectroscopy (noun)	spectroscopic analysis (noun)
the use of spectroscopes to analyze spectra	the use of spectroscopes to analyze spectra