blithe vs lighthearted

blithe and lighthearted both are adjectives.

Word	Noun	Adjective	Verb	Adverb
blithe	No	Yes	No	No
lighthearted	No	Yes	No	No

As adjectives, blithe and lighthearted are synonyms defined as:

Other synonyms of blithe include blithesome, light-hearted, lightsome.

blithe (adjective)	lighthearted (adjective)
carefree and happy and lighthearted	carefree and happy and lighthearted
lacking or showing a lack of due concern