false vs unreal

false and unreal both are adjectives.

Word	Noun	Adjective	Verb	Adverb
false	No	Yes	No	Yes
unreal	No	Yes	No	No

false (adjective)	unreal (adjective)
not in accordance with the fact or reality or actuality	lacking in reality or substance or genuineness; not corresponding to acknowledged facts or criteria
not genuine or real; being an imitation of the genuine article	not actually such; being or seeming fanciful or imaginary
adopted in order to deceive	lacking material form or substance; unreal
designed to deceive	contrived by art rather than nature
(used especially of persons) not dependable in devotion or affection; unfaithful
arising from error
inaccurate in pitch
deliberately deceptive
erroneous and usually accidental
inappropriate to reality or facts

false (adverb)	unreal (adverb)
in a disloyal and faithless manner