spectrometer vs spectroscope

spectrometer and spectroscope both are nouns.

Word	Noun	Adjective	Verb	Adverb
spectrometer	Yes	No	No	No
spectroscope	Yes	No	No	No

As nouns, spectroscope is a hypernym of spectrometer; that is, spectroscope is a word with a broader meaning than spectrometer:

spectrometer: spectroscope for obtaining a mass spectrum by deflecting ions into a thin slit and measuring the ion current with an electrometer
spectroscope: an optical instrument for spectrographic analysis

Other hypernyms of spectrometer include prism spectroscope.

spectrometer (noun)	spectroscope (noun)
spectroscope for obtaining a mass spectrum by deflecting ions into a thin slit and measuring the ion current with an electrometer	an optical instrument for spectrographic analysis