blithe vs blithesome

blithe and blithesome both are adjectives.

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

As adjectives, blithe and blithesome are synonyms defined as:

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

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