abandon vs relinquish

abandon is a noun but relinquish is not a noun.

Word	Noun	Adjective	Verb	Adverb
abandon	Yes	No	Yes	No
relinquish	No	No	Yes	No

As verbs, relinquish is a hyponym of abandon; that is, relinquish is a word with a more specific, narrower meaning than abandon:

Other hyponyms of abandon include foreswear, quit, renounce.

abandon (noun)	relinquish (noun)
the trait of lacking restraint or control; reckless freedom from inhibition or worry
a feeling of extreme emotional intensity

abandon (verb)	relinquish (verb)
leave someone who needs or counts on you; leave in the lurch	release, as from one's grip
stop maintaining or insisting on; of ideas or claims	turn away from; give up
leave behind empty; move out of	part with a possession or right
forsake, leave behind	do without or cease to hold or adhere to
give up with the intent of never claiming again