baffled vs at sea

baffled is a noun but at sea is not a noun.

Word	Noun	Adjective	Verb	Adverb
baffled	Yes	Yes	No	No
at sea	No	Yes	No	No

As adjectives, baffled and at sea are synonyms defined as:

baffled and at sea: perplexed by many conflicting situations or statements; filled with bewilderment

Other synonyms of baffled include befuddled, bemused, bewildered, confounded, confused, lost, mazed, mixed-up.

baffled (noun)	at sea (noun)
people who are frustrated and perplexed

baffled (adjective)	at sea (adjective)
perplexed by many conflicting situations or statements; filled with bewilderment	perplexed by many conflicting situations or statements; filled with bewilderment