血筋・血すじ|ちすじchisuji[0]heiban (flat)

1. nounlineage; stock; descent; strain; blood relationship
   血筋ちすじは争あらそえない。↗

   Blood is thicker than water.

• Synonym血統けっとうWrittenWritten/formal prose. Focuses on the bloodline inherited from ancestors and also covers breeds of animals such as horses and dogs; more formal than 「血筋」.
• Synonym家系かけいNeutralNeutral. Centers on a family's line of descent passed down through the generations, as in 「医者の家系」.
• Synonym系譜けいふWrittenWritten/formal prose. A genealogy or pedigree record; also covers the transmission of schools of thought. Leans toward the record itself.
• Synonym出自しゅつじWrittenWritten/formal prose. Stresses where a person comes from — origin and background — as in 「出自を明かす」.
• Synonym家筋いえすじWrittenLess common than 「家系」 and leaning written; points to the bloodline one family line has carried on through the generations.
• Related素性すじょうNeutralNeutral. Stresses a person's true identity and where they come from, as in 「素性を隠す」.
• Related家柄いえがらNeutralNeutral. Focuses on a family's social standing and tone rather than blood ties, as in 「家柄がよい」.
• Related生まれうまれCasualColloquial. About where or into which family one was born, as in 「東京生まれ」 and 「名門の生まれ」.
• RelatedルーツCasualColloquial loanword. Emphasizes ancestral origins or the source of things — one's roots — rather than the bloodline itself.
• Related氏素性うじすじょうWrittenWritten/formal prose. Means much the same as 「素性」 but puts stronger emphasis on family standing and pedigree.
• Related門地もんちWrittenWritten/formal prose and now rare. Refers to a family's rank or standing and carries an old-fashioned flavor.
• Related門閥もんばつWrittenWritten/formal prose and now rare. Refers to distinguished pedigree with an emphasis on the influence of long-established powerful families.
• Related世系せいけいWrittenWritten/formal prose and now rare. Stresses the bloodline and genealogy handed down from generation to generation.

Use 「血筋」 for blood ties and traits inherited through the family, as in 「芸術家の血筋」 or 「血筋は争えない」. For a formal, written tone pick 「血統」 (also for animal breeds); for a family's social standing pick 「家柄」. 「家系」 covers a family's line of descent, 「系譜」 genealogical records, 「素性」 one's true background, while 「生まれ」 and 「ルーツ」 are colloquial for birth and roots.

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

1. 血管けっかん。
2. 血ちの繋つながり。血統けっとう。