compression vs encryption

compression and encryption both are nouns.

Word	Noun	Adjective	Verb	Adverb
compression	Yes	No	No	No
encryption	Yes	No	No	No

As nouns, encryption is a hypernym of compression; that is, encryption is a word with a broader meaning than compression:

compression: encoding information while reducing the bandwidth or bits required
encryption: the activity of converting data or information into code

Other hypernyms of compression include encoding.

compression (noun)	encryption (noun)
applying pressure	the activity of converting data or information into code
encoding information while reducing the bandwidth or bits required
the process or result of becoming smaller or pressed together
an increase in the density of something