analog

cognate correlate correlative correspondent counterpart equivalent match similarity

difference

PC data processor desktop computer personal computer

CPU central processing unit device handheld computer laptop machine mainframe micro microcomputer mini minicomputer notebook notebook computer processor tablet

abacus artificial intelligence brain electronic brain number cruncher thinking machine

analogue congenator correspondent counterpart match relative

cogener

acquaintance bride buddy classmate companion comrade coworker playmate roommate schoolmate spouse

assistant associate chum cohort colleague compeer complement concomitant consort coordinate counterpart crony double duplicate familiar fellow friend groom helper helpmate intimate match pal peer reciprocal sidekick twin

alter ego bedmate

enemy foe opponent stranger

antagonist detractor