qualifying vs limiting

qualifying and limiting both are nouns.

Word	Noun	Adjective	Verb	Adverb
qualifying	Yes	No	No	No
limiting	Yes	Yes	No	No

As nouns, qualifying and limiting are synonyms defined as:

qualifying and limiting: the grammatical relation that exists when a word qualifies the meaning of the phrase

Other synonyms of qualifying include modification.

qualifying (noun)	limiting (noun)
success in satisfying a test or requirement	the grammatical relation that exists when a word qualifies the meaning of the phrase
the grammatical relation that exists when a word qualifies the meaning of the phrase

qualifying (adjective)	limiting (adjective)
	strictly limiting the reference of a modified word or phrase
	restricting the scope or freedom of action