unafraid vs unfrightened

unafraid and unfrightened both are adjectives.

Word	Noun	Adjective	Verb	Adverb
unafraid	No	Yes	No	No
unfrightened	No	Yes	No	No

unafraid (adjective)	unfrightened (adjective)
oblivious of dangers or perils or calmly resolute in facing them	not affected by fright
free from fear or doubt; easy in mind