noun plural suffix but singular or plural in construction Etymology: 1-ic + 1-s; translation of Greek -ika, from neuter plural of -ikos -ic study ; knowledge ; skill ; practice , characteristic actions or activities , characteristic qualities, operations, or phenomena
-ICS
Meaning of -ICS in English
Merriam Webster. Explanatory English dictionary Merriam Webster. Толковый словарь английского языка Мерриам-Уэбстер. 2012