公園【こうえん】
(public) park
公開【こうかい】
opening to the public, making available to the public, exhibiting, unveiling, release (of a film, information, etc.), disclosure, publication
公演【こうえん】
public performance, exhibition in a foreign country
公平【こうへい】
fairness, impartiality, justice, objectivity
公表【こうひょう】
official announcement, proclamation
主人公【しゅじんこう】
protagonist, main character, hero, heroine, head (of a household), proprietor (of a store)
不公平【ふこうへい】
unfairness, injustice, partiality
公式【こうしき】
official, formal, formula (e.g. mathematical), official (social media) account (of a company, organization, etc.)
公正【こうせい】
justice, fairness, impartiality
公共【こうきょう】
public (facilities, service, etc.), communal
公明【こうめい】
fairness, openness, impartiality, Komeito (Japanese political party)
公害【こうがい】
pollution, public nuisance, contamination
公認【こうにん】
official recognition, official approval, certification, authorization, authorisation
公務員【こうむいん】
government worker, public servant, civil servant
公立【こうりつ】
public (institution)
公約【こうやく】
public commitment, public promise, campaign pledge, official vow
公団【こうだん】
public corporation, public housing
公務【こうむ】
official business, public business
公営【こうえい】
public management
公民館【こうみんかん】
public hall, community center, community centre