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normal vs sane sane vs normal

normal is a noun but sane is not a noun.

normal and sane both are adjectives.

normal (noun) sane (noun)
something regarded as a normative example
normal (adjective) sane (adjective)
conforming with or constituting a norm or standard or level or type or social norm; not abnormal mentally healthy; free from mental disorder
in accordance with scientific laws marked by sound judgment; having good reason
being approximately average or within certain limits in e.g. intelligence and development
forming a right angle