uncompassionate vs hardhearted

uncompassionate and hardhearted both are adjectives.

Word	Noun	Adjective	Verb	Adverb
uncompassionate	No	Yes	No	No
hardhearted	No	Yes	No	No

uncompassionate (adjective)	hardhearted (adjective)
lacking compassion or feeling for others	lacking in feeling or pity or warmth
	devoid of feeling for others