recording vs bologram

recording and bologram both are nouns.

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

As nouns, bologram is a hyponym of recording; that is, bologram 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
bologram: record or recording made by a bolometer

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

recording (noun)	bologram (noun)
the act of making a record (especially an audio record)	record or recording made by a bolometer
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