-ics
From Longman Dictionary of Contemporary English-ics-ics /ɪks/ suffix [in nouns] 1 STUDYthe scientific study or use of something linguistics (=the study of language) electronics (=the study or making of electronic equipment)2 DOthe actions typically done by someone with particular skills athletics (=running, jumping, throwing etc) acrobatics3 used to make nouns out of words ending in -ical or -ic the acoustics (=sound qualities) of the hallExamples from the Corpus-ics• geneticsOrigin -ics -ic + -s (translating Greek -ika (plural))