クランkuran

1. nounclan

• Synonym一族いちぞくNeutralEveryday word for a family of the same bloodline and its members, as in 「一族の長」; more natural than 「クラン」 when speaking of Japanese families.
• Synonym氏族しぞくWrittenWritten word for a kin group descended from a common ancestor, used mainly in history and anthropology; more academic than 「クラン」 and rare in everyday speech.
• Synonym一門いちもんNeutralA family of the same lineage, but also people of the same sect or school, or a group of related sumo stables — a broader range than 「クラン」.
• Related眷属けんぞくWrittenWritten word for a family connected by blood, but also for followers or subordinates; in everyday speech say 「一族」 or 「家族」.
• Related閥族ばつぞくWrittenA family of high standing, or families and groups that form a faction; stresses power built on pedigree or factional ties.
• Related家門かもんWrittenWritten word for one's family, household, or family line, and also for the front gate of a house; in daily speech 「一族」 or 「一家」 is more common.
• Related血縁集団けつえんしゅうだんWrittenA group of people descended from a common ancestor and linked by blood; mostly an academic term, with 「一族」 preferred in everyday speech.

For everyday talk about a family of one bloodline, 「一族」 is the natural word; 「氏族」 is the academic term, and the loanword 「クラン」 is roughly equivalent to it. Use 「一門」 for a family line that also covers sects, schools, or sumo stables.

Usage comparisons are AI-assisted and cross-checked by multiple models; for study reference only

1. 一族いちぞく。氏族しぞく。