lost vs bemused

lost is a noun but bemused is not a noun.

Word	Noun	Adjective	Verb	Adverb
lost	Yes	Yes	No	No
bemused	No	Yes	No	No

As adjectives, lost and bemused are synonyms defined as:

lost and bemused: perplexed by many conflicting situations or statements; filled with bewilderment

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

As adjectives, lost and bemused are synonyms defined as:

Other synonyms of lost include preoccupied.

lost (noun)	bemused (noun)
people who are destined to die soon

lost (adjective)	bemused (adjective)
no longer in your possession or control; unable to be found or recovered	perplexed by many conflicting situations or statements; filled with bewilderment
spiritually or physically doomed or destroyed	deeply absorbed in thought
not gained or won
unable to function; without help
not caught with the senses or the mind
perplexed by many conflicting situations or statements; filled with bewilderment
deeply absorbed in thought
having lost your bearings; confused as to time or place or personal identity
cannot be recovered or regained