lis pendens vs legal action

lis pendens and legal action both are nouns.

Word	Noun	Adjective	Verb	Adverb
lis pendens	Yes	No	No	No
legal action	Yes	No	No	No

As nouns, legal action is a hypernym of lis pendens; that is, legal action is a word with a broader meaning than lis pendens:

lis pendens: a pending lawsuit
legal action: a judicial proceeding brought by one party against another; one party prosecutes another for a wrong done or for protection of a right or for prevention of a wrong

Other hypernyms of lis pendens include action, action at law.

lis pendens (noun)	legal action (noun)
a pending lawsuit	a judicial proceeding brought by one party against another; one party prosecutes another for a wrong done or for protection of a right or for prevention of a wrong