recording vs spirogram

recording and spirogram both are nouns.

Word	Noun	Adjective	Verb	Adverb
recording	Yes	No	No	No
spirogram	Yes	No	No	No

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

recording: a signal that encodes something (e.g., picture or sound) that has been recorded
spirogram: a recording of breathing made with a spirograph

Other hyponyms of recording include bologram, bolograph, chromatogram, oscillogram.

recording (noun)	spirogram (noun)
the act of making a record (especially an audio record)	a recording of breathing made with a spirograph
a signal that encodes something (e.g., picture or sound) that has been recorded
a storage device on which information (sounds or images) have been recorded