pickle vs dog's dinner

pickle and dog's dinner both are nouns.

Word	Noun	Adjective	Verb	Adverb
pickle	Yes	No	Yes	No
dog's dinner	Yes	No	No	No

As nouns, dog's dinner is a hyponym of pickle; that is, dog's dinner is a word with a more specific, narrower meaning than pickle:

Other hyponyms of pickle include dog's breakfast.

pickle (noun)	dog's dinner (noun)
vegetables (especially cucumbers) preserved in brine or vinegar	a poor job; a mess
informal terms for a difficult situation

pickle (verb)	dog's dinner (verb)
preserve in a pickling liquid