Refers to a close, friendly relationship between people. Often used in contexts like 親を深める (deepen intimacy) or 親しい (close, intimate). Antonym: 疎 (そ, estrangement).
Specifically refers to a close blood relative, as opposed to distant relatives. Often used in legal or formal contexts, such as 親族 (しんぞく, relative) or 近親 (きんしん, near relative).
Prefix used to indicate support or favor toward something, often a country or ideology. Common in compounds like 親米 (しんべい, pro-American), 親中 (しんちゅう, pro-China), 親政府 (しんせいふ, pro-government).
