palmy vs prospering

palmy and prospering both are adjectives.

Word	Noun	Adjective	Verb	Adverb
palmy	No	Yes	No	No
prospering	No	Yes	No	No

As adjectives, palmy and prospering are synonyms defined as:

Other synonyms of palmy include booming, burgeoning, flourishing, prosperous, roaring, thriving.

palmy (adjective)	prospering (adjective)
very lively and profitable	very lively and profitable