IPA: /nɒnˌærɪstəˈkrætɪk/
KK: /nɑnˌærɪstəˈkrætɪk/
Relating to or characteristic of people who are not part of the aristocracy or nobility.
The nonaristocratic families in the town contributed to the community in many ways.
Nonaristocratic → It is formed from "non-" (meaning not) and "aristocratic" (from Greek "aristokratikos", meaning of the best or nobility). The word "nonaristocratic" means not belonging to the aristocracy or nobility.
Think of 'not' ('non-') being combined with 'nobility' ('aristocratic') to remember that 'nonaristocratic' refers to something that is not of the nobility.