absence vs petit mal epilepsy

absence and petit mal epilepsy both are nouns.

Word	Noun	Adjective	Verb	Adverb
absence	Yes	No	No	No
petit mal epilepsy	Yes	No	No	No

absence (noun)	petit mal epilepsy (noun)
failure to be present	epilepsy characterized by paroxysmal attacks of brief clouding of consciousness (and possibly other abnormalities)
the state of being absent
the occurrence of an abrupt, transient loss or impairment of consciousness (which is not subsequently remembered), sometimes with light twitching, fluttering eyelids, etc.; common in petit mal epilepsy
the time interval during which something or somebody is away