palmy vs booming

palmy and booming both are adjectives.

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

As adjectives, palmy and booming are synonyms defined as:

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

palmy (adjective)	booming (adjective)
very lively and profitable	(used of the voice or sound) deep and resonant
	very lively and profitable