Answer:
The prefix: anti
The suffix: social
Root word(s): dissocial, dissociable
Step-by-step explanation:
anti-social, "unsocial, averse to social intercourse," 1797, from anti- + social (adj.). Meaning "hostile to social order or norms" is from 1802. Other, older words in the "disinclined to or unsuited for society" sense include dissocial (1762), dissociable