relish vs pickle

relish and pickle both are nouns.

Word	Noun	Adjective	Verb	Adverb
relish	Yes	No	Yes	No
pickle	Yes	No	Yes	No

As nouns, pickle is a hyponym of relish; that is, pickle is a word with a more specific, narrower meaning than relish:

Other hyponyms of relish include olive, chowchow, pickle relish, piccalilli.

relish (noun)	pickle (noun)
the taste experience when a savoury condiment is taken into the mouth	vegetables (especially cucumbers) preserved in brine or vinegar
vigorous and enthusiastic enjoyment	informal terms for a difficult situation
spicy or savory condiment

relish (verb)	pickle (verb)
derive or receive pleasure from; get enjoyment from; take pleasure in	preserve in a pickling liquid