omission vs linguistic process

omission and linguistic process both are nouns.

Word	Noun	Adjective	Verb	Adverb
omission	Yes	No	No	No
linguistic process	Yes	No	No	No

As nouns, linguistic process is a hypernym of omission; that is, linguistic process is a word with a broader meaning than omission:

omission: any process whereby sounds or words are left out of spoken words or phrases
linguistic process: a process involved in human language

omission (noun)	linguistic process (noun)
a mistake resulting from neglect	the cognitive processes involved in producing and understanding linguistic communication
neglecting to do something; leaving out or passing over something	a process involved in human language
any process whereby sounds or words are left out of spoken words or phrases
something that has been omitted